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    Home » Breakfasts / Snacks

    Idli Recipe (Idli Batter Ratio & Tips)

    Published: Mar 7, 2023 · Last Modified: Mar 7, 2023 by Kanan Patel / 18 Comments

    Jump to Recipe Pin Recipe
    5 idli served with chutney in an oval plate.

    Looking for a fluffy and soft idli recipe? I bet your search ends here. Keep reading for tips and tricks to make homemade idli batter and how to ferment idli batter perfectly every single time. 

    5 idli served with chutney in an oval plate.
    Jump to:
    • ❤️About This Recipe
    • 🧾Ingredient Notes
    • Idli Batter Ratio Of Lentils & Rice
    • 👩‍🍳Step By Step Photo Instructions 
    • 💭Expert Tips
    • 🥣 Storage Instructions
    • 🍽 Serving Ideas
    • 📋 Recipe Card
    • ⭐ Reviews

    ❤️About This Recipe

    Idli is a popular breakfast food in South India. Idli is a soft and fluffy steamed, savory cake made with fermented lentil and rice batter. The fermentation process breaks down the starches so it is easy to digest and good for your gut health. 

    Idli itself is mild in taste so it is always served with condiments like coconut chutney, tomato chutney, idli podi, and a side of sambar. 

    The whole process of making idli at home with homemade idli batter is divided into 4 parts, soaking, grinding, fermenting, and steaming.  

    This process is time-consuming and requires some pre-planning. But there are many instant versions of it like rava idli, and oats idli and these don’t require grinding and fermenting steps. 

    You’ll Love This Recipe Because

    • This idli recipe gives the BEST, soft, fluffy, and pillowy texture.
    • No need for a wet grinder. Vitamix (blender or mixie) is used to grind lentils and rice to make idli batter. 
    • Idli batter is fermented in instant pot, so it is always a success even if you live in a cold climate. 
    • A perfect ratio of lentils and rice is given with so many tips and tricks to perfect the idli recipe. Even a beginner can make it without a fail. 
    • Healthy & Nutritious: It is a low-calorie, probiotic food. Because of fermentation, idli improves digestive efficiency, gut health, and the production of vitamin B12.  
    • Dietary Info: Vegan, Gluten-Free, Nut-free
    Showing idli texture by cutting into half.

    🧾Ingredient Notes

    Here is the pic of the ingredients you’ll need to make an easy idli recipe.

    Idli recipe ingredients in bowls with labels.
    • Idli Rice: It is nothing but parboiled rice (aka ukda chawal in Hindi). Idli rice is easily available in any Indian grocery store here in the USA.  
      • OR Idli rava: It is nothing but coarsely ground idli rice or parboiled rice. Sometimes the packet also says cream of rice or rice rava. By the name ‘rava’, don’t be confused with semolina or sooji. Idli rava and semolina are two different things. 
      • Choose one - idli rice or idli rava. Both give good results. In the step-by-step picture below, I have used idli rice. 
    • Whole urad dal: This is a skinless whole black lentil and it is also called urad gota. This lentil helps in the fermentation process.
      • To get good results in fermentation, you must use a fresh batch of lentils (current year’s harvest). If you have stale lentils or more than a year old lentils then you may need to use more amount of lentils to help fermentation. More details are below in the dal rice ratio section.
    • Fenugreek seeds (Methi dana): It also helps in the fermentation of idli batter.
    • Poha: It gives a lighter texture to idli plus, making idli pillowy and soft. It is optional but highly recommended.
      • Traditionally poha is not used but when you live away from your country, you don’t know the age of the lentils, fermentation is not done in the right warm weather climate, in these situations poha helps to make the softer, lighter texture.
    • Salt: If using iodized salt then add after fermentation is done, as iodine and anti-caking agents in salt interfere with the fermentation process. If using non-iodized salt then you can add in the idli batter earlier.  

    Idli Batter Ratio Of Lentils & Rice

    The ratio purely depends on the freshness and quality of the whole urad dal. 

    • 1:4 urad dal to rice: This is the safe proportion when you don’t know the lentil’s age and freshness. E.g people living abroad. I have been following this ratio and it gives me the perfect soft and spongy idli.
    • 1:5 or 1:6 urad dal to rice: Follow this ratio only if you know the lentils are fresh and the current year’s harvest. This gives the best idli texture. 
    • 1:2 or 1:3 ural dal to rice: Idli will turn out sticky, too moist, and not spongy soft at all. Never follow this ratio.

    👩‍🍳Step By Step Photo Instructions 

    Soaking:

    Time required: at least 6-8 hours or overnight.

    1) Wash/rinse idli rice 2-3 times using regular tap water until the water is clear and not cloudy anymore. Massage lightly using your finger before rinsing the water. 

    Soak in enough water (2 inches of water above the rice) for at least 6 hours or overnight. 

    2) Similarly, rinse the mixture of whole urad dal and methi seeds. And soak for at least 6 hours or overnight.

    Collage of 4 images showing soaking rice and lentils in seperate bowl.

    3) 30 minutes before grinding, rinse poha once using tap water. Soak poha in ⅓ cup of water for 30 minutes only. 

    Collage of 2 images showing soaking poha.

    Grinding & Fermenting Idli Batter:

    Time required: 10 minutes for grinding and 12-14 hours for fermentation.

    1) Drain the water completely from lentils, and methi seeds using a strainer. 
    - Transfer them to a blender or mixie jar along with 1 cup of cold water. 
    - Make a smooth paste out of it. Check by rubbing between your thumb and finger, it feels smooth and sticky. 
    - Remove it to the instant pot liner.

    Collage of 4 images showing draining water from lentils, grinding into blender and transfer to a bowl.

    2) Drain the water completely from idli rice using a strainer.
    - Transfer it to a blender, and add soaked poha and 2 cups of water.
    - Grind into a coarse-fine paste. If your rub between your finger and thumb, the batter feels slightly grainy. 
    - Remove it to the same liner as the lentil batter.

    NOTE: If using idli rava then it doesn’t require grinding. Simply squeeze out the water from the soaked idli rava and add it to the lentil batter and mix. If needed add water to make the right batter consistency. 

    Collage of 4 images showing mixing batter, cover with lid and fermented batter.

    3) Mix both batters vigorously (for around 1-2 mins) using a spatula or your hand until mixed evenly. The batter consistency should be medium thick (not too thin, runny, and not too thick). It should be flowy consistency and when it falls in ribbons and disappear within seconds. 

    4, 5) Place the instant pot steel liner into the instant pot, and cover it with a lid (a separate lid, not a pressure cooker lid). 

    6) Set the instant pot on yogurt mode for 12-14 hours. 

    Collage of 4 images showing mixing batter, cover with lid and fermented batter.

    After fermentation, idli batter gets double (sometimes more than double) the volume. It also turns light, fluffy, airy, and bubbly. 

    Showing texture of fermented idli batter using a spoon.

    7) Gently mix the batter, add salt, and mix again. I have added salt later as I am using iodized salt. 

    8) If the batter consistency looks too thick then you can add a splash of water to adjust it. But make sure not to make it too thin. If you have followed the water amount while grinding as mentioned then your batter consistency will be perfect. 

    Collage of 2 images showing adding and mixing salt.

    Steaming Idli:

    Time required: 10 minutes per batch

    1) Bring water to a boil in a steamer. Grease the idli plates using oil. 

    2) Pour the batter into the idli molds.

    3, 4) Steam for 10 minutes on medium heat. Remove the idli plates and let them sit for 2 minutes.

    5) Then using a spoon or butter knife, loosen the idli from the mold and transfer it to a plate. Repeat the steaming process for the rest of the batter. Or store leftover batter.

    Collage of 5 images showing greasing idli plate, steaming idli and removing from mold.

    💭Expert Tips

    • Quality & Freshness of lentils: Fresh urad dal helps in the fermentation process. The fresh lentils are white in color while older or stale lentils start to turn pale yellow and which shows the aging process.
    • Soak lentils and rice separately, because we are grinding them separately. Both take different times and amounts of water while grinding. So it is recommended to soak and grind separately. 
    • Always use cold water while grinding. Sometimes blender or grinder get hot/warm during the grinding process and cold water prevents the batter to become warm. 
    • If your blender gets too hot then let it rest for 5-10 minutes, let it cool down, and then continue grinding again. This happens mostly with an Indian-style grinder (Preethi brand), I have never faced this issue with Vitamix. 
    • Batter consistency has to be right to get fermentation. If the batter is too thick or too thin then it won’t ferment properly and result in dense or flat idli. When you pour the batter back into the bowl, it should be flowy, with pouring consistency, also as your pour ribbons form in the batter and disappear right away. 

    Fermentation Tips:

    • Follow the instant pot method to get perfectly fermented idli batter every single time.
    • Traditional method: Keep the bowl covered in a warm place overnight. In India, it should get ready in 8-10 hours or sometimes even less time. 
    • During winter months, it takes more time (from 10 hours to 24 hours). The batter may not double or triple in size, but there should be some bubbles in the batter that shows fermentation.
    • Oven method: Preheat the oven to 180 F and then turn off the oven. Place the bowl in the oven and keep the oven light ON, so it continues to give enough warmth for fermentation.
    • The over-fermented batter turns sour and idli won’t taste good.
    Fermented idli batter in instant pot.

    🥣 Storage Instructions

    Idli Storage:

    • Idli tastes best fresh (the day it is made).
    • You can store leftover idli in the refrigerator for 2-3 days. The longer you store it, it starts to become dry. 
    • You can freeze idli for up to 3 months. Arrange idli on a cookie tray in a single layer, cover with plastic wrap, and freeze until frozen. Then transfer frozen idli to a freeze-safe ziplock bag and store.
    • To reheat idli, arrange them on a plate in a single layer, cover them with a damp paper towel, and microwave it for 30-40 seconds only. 

    Idli Batter Storage:

    • The batter stays good for 4-5 days in the refrigerator. 
    • Fermented idli batter stays good for up to 3 months in the freezer.
    • Idli made from freshly fermentable batter has the best texture. So always make idli the first day and use leftover batter (refrigerated or frozen) for uttapam or paniyaram. 
    • To thaw, let the container sit on the counter for a few hours or until defrosted.

    🍽 Serving Ideas

    As a breakfast or meal: 

    • Serve piping hot idli with a bowl of sambar and chutney (like coconut chutney, or tomato chutney). 
    • Toss idli in idli podi along with some ghee or oil.

    Leftover idli: You can make masala idli, fried idli, idli upma, idli manchurian, idli chaat, etc. 

    2 idli in sambar.

    Check Out Other Breakfast Recipes

    • Upma
    • Poha recipe
    • Rava dhokla
    • Aloo paratha
    • Quinoa upma

    Did you try this idli recipe? I’d love to hear about it! Leave a review in the comment section below.

    📋 Recipe Card

    Step by Step Photos AboveWant to make it perfect first time? Don't forget to check out Step-by-Step photo instructions and helpful Tips & Tricks !!
    5 idli served with chutney in an oval plate.
    Print Pin Save Saved!

    Idli Recipe (Idli Batter Ratio & Tips)

    4.75 from 8 votes
    Tried this recipe? Leave a comment and/or give ★ ratings
    Looking for a fluffy and soft idli recipe? I bet your search ends here. Keep reading for tips and tricks to make homemade idli batter and how to ferment idli batter perfectly every single time.
    Author: Kanan
    Course: Breakfast
    Cuisine: South Indian
    Calories: 66kcal
    Servings 50 idlis
    Prep Time 8 hours
    Cook Time 10 minutes
    Fermentation Time 14 hours
    Total Time 22 hours 10 minutes
    US measuring cups are used (1 cup = 240 ml) See details

    Ingredients  

    • 4 cups Idli Rice or Idli rava
    • 1 cup Whole urad dal skinless
    • 1 teaspoon Fenugreek seeds (methi dana)
    • ¼ cup Thick Poha (beaten rice)
    • ⅓ cup Water for soaking poha
    • 1 ¼ cups Water for grinding lentils
    • 2 cups Water for grinding rice
    • 1 ½ teaspoon Salt
    • Oil to grease idli plates
    Prevent your screen from going dark

    Instructions 

    Soaking:

    • Wash/rinse idli rice 2-3 times using regular tap water until the water is clear and not cloudy anymore. Massage lightly using your finger before rinsing the water.
    • Soak in enough water (2 inches of water above the rice) for at least 6 hours or overnight.
    • Similarly, rinse the mixture of whole urad dal and methi seeds. And soak for at least 6 hours or overnight.
    • 30 minutes before grinding, rinse poha once using tap water. Soak poha in ⅓ cup of water for 30 minutes only.

    Grinding:

    • Drain the water completely from lentils, methi seeds using a strainer.
    • Transfer them to a blender or mixie jar along with 1 cup of cold water. Make a smooth paste out of it. Check by rubbing between your thumb and finger, it feels smooth and sticky.
    • Remove it to the instant pot liner.
    • Drain the water completely from idli rice using a strainer. Transfer it to a blender, and add soaked poha and 2 cups of water. Grind into a coarse-fine paste. If your rub between your finger and thumb, the batter feels slightly grainy.
    • Remove it to the same liner as the lentil batter.
    • NOTE: If using idli rava then it doesn’t require grinding. Simply squeeze out the water from the soaked idli rava and add it to the lentil batter and mix. If needed add water to make the right batter consistency.
    • Mix both batters vigorously (for around 1-2 mins) using a spatula or your hand until mixed evenly. The batter consistency should be medium thick (not too thin, runny, and not too thick). It should be flowy consistency and when it falls in ribbons and disappear within seconds.

    Fermenting Idli Batter In Instant Pot:

    • Place the instant pot steel liner into the instant pot, and cover it with a lid (a separate lid, not a pressure cooker lid).
    • Set the instant pot on yogurt mode for 12-14 hours.
    • After fermentation, idli batter gets double (sometimes more than double) the volume. It also turns light, fluffy, airy, and bubbly.
    • Gently mix the batter, add salt, and mix again. I have added salt later as I am using iodized salt.
    • If the batter consistency looks too thick then you can add a splash of water to adjust it. But make sure not to make it too thin. If you have followed the water amount while grinding as mentioned then your batter consistency will be perfect.

    Steaming Idli:

    • Bring water to a boil in a steamer. Grease the idli plates using oil.
    • Pour the batter into the idli molds.
    • Steam for 10 minutes on medium heat. Remove the idli plates and let them sit for 2 minutes.
    • Then using a spoon or butter knife, loosen the idli from the mold and transfer to a plate. Repeat the steaming process for the rest of the batter. Or store leftover batter.

    Notes

    • Quality & Freshness of lentils: Fresh urad dal helps in the fermentation process. The fresh lentils are white in color while older or stale lentils start to turn pale yellow and which shows the aging process.
    • Salt: If using iodized salt then add after fermentation is done, as iodine and anti-caking agents in salt interfere with the fermentation process. If using non-iodized salt then you can add in the idli batter earlier.
    • Soak lentils and rice separately, because we are grinding them separately. Both take different times and amounts of water while grinding. So it is recommended to soak and grind separately.
    • Always use cold water while grinding. Sometimes blender or grinder get hot/warm during the grinding process and cold water prevents the batter to become warm.
    • If your blender gets too hot then let it rest for 5-10 minutes, let it cool down, and then continue grinding again. This happens mostly with Indian-style grinders (preethi brand), I have never faced this issue with Vitamix.
    • Batter consistency has to be right to get fermentation. If the batter is too thick or too thin then it won’t ferment properly and result in dense or flat idli. When you pour the batter back into the bowl, it should be flowy, with pouring consistency, also as your pour ribbons form in the batter and disappear right away.

    Nutrition

    Serving: 2idli | Calories: 66kcal | Carbohydrates: 14g | Protein: 2g | Fat: 0.1g | Saturated Fat: 0.03g | Polyunsaturated Fat: 0.03g | Monounsaturated Fat: 0.03g | Sodium: 72mg | Potassium: 18mg | Fiber: 1g | Sugar: 0.02g | Vitamin A: 0.2IU | Vitamin C: 0.2mg | Calcium: 7mg | Iron: 0.4mg
    *Nutrition information is a rough estimate for 1 serving
    Did you make this recipe?Snap a pic, mention @spice.up.the.curry or tag #spiceupthecurry. I would love to see.

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    1. Neetu

      October 09, 2019 at 1:09 pm

      For idli what is the exact proportion of daal and rice
      IS it 1.:2 or 1:3 ????
      It's very confusing when different sites mention different proportions for the batter

      Reply
      • Kanan

        October 09, 2019 at 1:24 pm

        1:4 dal to rice is the safest ratio.

        Reply
        • Raju

          July 13, 2020 at 10:38 am

          No one give full recepie
          Always hide something

          Reply
          • Kanan Patel

            July 13, 2020 at 1:23 pm

            full recipe is there. please read carefully

            Reply
    2. diane cooper-wu

      April 28, 2019 at 2:35 pm

      Is it possible to grind the rice and urad dal before fermenting/soaking? Thanks

      Reply
      • Kanan

        April 30, 2019 at 9:39 pm

        no. Soaking is must in order to make batter.
        There is another method where you can use rice four and urad dal flour to make batter. In that case no grinding required.

        Reply
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