Crispy Lentil Donuts (Medu Vada)

This star of South Indian breakfasts is not a simple donut: its secret is 'urad dal' (black lentil), which, when soaked and ground without skins, can be beaten as frothy as egg whites. When fried, this airy structure makes the inside soft while the outside gets armored by the hot oil. Spices do not overpower but highlight the nutty base flavor of the lentils.
🕒 Prep Time 30 mins
🍳 Cook Time 15 mins
Total Time 5 hrs 45 mins
🍽️ Servings 4 servings
🔥 Calories 320 kcal
🌍 Cuisine Indian

Ingredients

Equipment Needed

  • Strong food processor or blender
  • Deep pan or pot for frying
  • Slotted spoon

Instructions

1

Wash the lentils thoroughly, then soak in plenty of water for at least 4-5 hours until the grains swell and become soft.

Tip: The lentils are ready when you can easily pinch them in half with a fingernail. Enzymes start softening cell walls upon hydration.
2

Drain the lentils (don't discard all water!) and put them in a food processor. Grind to a thick, creamy but not runny paste. Only add 1-2 spoons of water if the machine struggles.

Tip: The less water you use for grinding, the crispier it will be. Lentil proteins bind water, making the mass shapeable.
3

Pour the ground batter into a bowl and beat by hand or with a whisk for 3-4 minutes until it becomes lighter and frothier. Mix in the rice flour and salt.

Tip: This step incorporates air into the dough (mechanical leavening), turning the donut into a light cloud rather than a dense lump in the hot oil.
4

Fold the finely chopped onion, chili, crushed garlic, and spices into the batter.

Tip: Add salt only right before frying, as it draws water out of the onions (osmosis) and dilutes the batter.
5

Heat the oil to medium-high. With wet hands, form small balls (or donuts with a hole in the middle) and slide them into the oil.

Tip: Batter won't stick to wet hands because the water layer separates proteins from your skin.
6

Fry them for 3-4 minutes per side until they turn dark golden brown and sound hollow when tapped.

Tip: If it browns too quickly, the center remains raw. Color indicates roasting (Maillard reaction), responsible for flavor.
7

Drain on paper towels.

Recipe FAQ

Why does the donut fall apart in the oil?
The batter is likely too thin. You added too much water when grinding. Add a little more rice flour!
Why isn't it crispy?
The oil was too cold, and the dough absorbed it. Increase the temperature!

Ingredients

  • 1 cup Split Black Gram (Urad Dal - skinless)
  • 1/4 cup Rice Flour
  • 1 small Onion
  • 2 whole Green Chilies
  • 1/4 cup Fresh Cilantro
  • 2 cloves Garlic
  • 1 tsp Whole Cumin
  • 1 tsp Garam Masala
  • 1 tsp Salt
  • 2 cups Vegetable Oil (for frying)