Why did my batter not ferment?

The environment may be too cold. Place the bowl in a warm oven or wrap it with a towel near a heat source.

Can I use a blender instead of a wet grinder?

Yes, but add minimal water and blend in batches for the smoothest result.

Steamed fermented rice and lentil cakes

Idli

Name: Idli
Prep time: 30 min
Cook time: 15 min
Total time: 45 min
Yield: 16 idli
Cuisine: Indian
Ingredients: 2 cups idli rice (or parboiled rice), soaked 6 hours; 1 cup whole urad dal, soaked 4 hours; 1/2 tsp fenugreek seeds, soaked with dal; Salt to taste; Water as needed for grinding; Oil for greasing idli molds

45 minMedium

Prep Time

30 min

Cook Time

15 min

Total Time

45 min

Servings

16 idli

Difficulty

Medium

Cost

Budget

Be the first to rate this recipe

Idli

Steamed fermented rice and lentil cakes

Pillowy soft, snow-white steamed cakes made from a fermented batter of rice and urad dal. South India's favorite breakfast, served with sambar and chutney.

30m

Prep Time

15m

Cook Time

45m

Total Time

Servings

Medium

Difficulty

Budget $

Cost

Indian Cuisine Breakfast Snack Vegan Gluten-Free Dairy-Free

Sarah Chen

July 13, 2024(Updated April 13, 2026)

Idli are the quintessential South Indian breakfast—cloud-like steamed cakes with a gentle tang from natural fermentation. The batter of rice and urad dal ferments overnight, developing flavor and the airy texture that makes idli irresistible.

Ingredients

2 cups idli rice (or parboiled rice), soaked 6 hours
1 cup whole urad dal, soaked 4 hours
1/2 tsp fenugreek seeds, soaked with dal
Salt to taste
Water as needed for grinding
Oil for greasing idli molds

Instructions

1
Grind soaked urad dal with fenugreek to a very smooth, fluffy paste using minimal water; grind rice to a slightly grainy paste.
2
Mix both batters together, add salt, and ferment in a warm place for 8-12 hours until doubled in volume.
3
Stir the fermented batter gently; it should be thick and airy with a slightly sour smell.
4
Grease idli molds, pour batter into each, and steam for 10-12 minutes until a toothpick comes out clean.
5
Let cool 1 minute, then scoop out with a wet spoon and serve hot with sambar and coconut chutney.

Serving Suggestions

Ways to Serve This Dish

Serve with warm naan bread or basmati rice
Top with fresh cilantro and a squeeze of lime
Pair with a cooling cucumber raita on the side
Serve alongside fresh fruit and your favorite morning beverage

Substitutions

Idli riceRegular parboiled rice

Idli rice gives better texture but parboiled works

Urad dalNo good substitute

Urad dal is essential for the fluffy texture of idli

FlavorPantry

Test Kitchen Pick

Garam Masala

Helpful Pantry Staple

Why the spice blend matters

A better spice blend gives the recipe more rounded flavor without making you buy ten separate jars first.

This is often the pantry shortcut that makes the result taste more complete.

Adds warmer depth quickly
Useful across curries, lentils, and vegetable dishes

If you are cooking Indian food more than once, garam masala is a practical pantry anchor.

Shop garam masala for this recipe

Tips & Storage

Pro Tips

Grind the urad dal first and very smooth—this is the single biggest factor for soft idli.
In cold weather, place the batter in the oven with just the light on to encourage fermentation.

Storage

Batter keeps 2-3 days refrigerated. Steamed idli are best fresh but can be refrigerated overnight.

Reheating

Re-steam for 2-3 minutes or sprinkle with water and microwave 30 seconds.

Nutrition Facts

Per serving (0mg) · 4 servings

Calories120

LowModerateHigh

A light, low-calorie option · based on a 2,000 cal daily diet

Protein4g

Carbohydrates24g

Fat0.5g

Fiber280mg

Sugar1g

Sodium3g

Nutritional values are approximate and may vary based on specific ingredients and preparation methods.

Frequently Asked Questions

Why did my batter not ferment?: The environment may be too cold. Place the bowl in a warm oven or wrap it with a towel near a heat source.
Can I use a blender instead of a wet grinder?: Yes, but add minimal water and blend in batches for the smoothest result.

Explore More

More Indian Recipes More Breakfast More Snack Vegan Recipes Gluten-Free Recipes Dairy-Free Recipes Stovetop Recipes

About Sarah Chen

Sarah Chen is a professional recipe developer and food editor with over a decade of experience in test kitchens and food media. She trained at the Culinary Institute of America before spending six years developing and testing recipes for national food publications, where she honed her ability to translate restaurant techniques into approachable home cooking. At RecipePool, Sarah leads recipe development, ensuring every dish is tested at least three times for clarity, accuracy, and genuine deliciousness. When she is not in the kitchen, she is browsing farmers markets and collecting vintage cookbooks.

View all recipes →

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Instructions

1
Grind soaked urad dal with fenugreek to a very smooth, fluffy paste using minimal water; grind rice to a slightly grainy paste.
2
Mix both batters together, add salt, and ferment in a warm place for 8-12 hours until doubled in volume.
3
Stir the fermented batter gently; it should be thick and airy with a slightly sour smell.
4
Grease idli molds, pour batter into each, and steam for 10-12 minutes until a toothpick comes out clean.
5
Let cool 1 minute, then scoop out with a wet spoon and serve hot with sambar and coconut chutney.

Tips & Storage

Pro Tips

Grind the urad dal first and very smooth—this is the single biggest factor for soft idli.
In cold weather, place the batter in the oven with just the light on to encourage fermentation.

Storage

Batter keeps 2-3 days refrigerated. Steamed idli are best fresh but can be refrigerated overnight.

Reheating

Re-steam for 2-3 minutes or sprinkle with water and microwave 30 seconds.

Idli

Idli

Idli

Ingredients

Instructions