Thayir Vadai, also known as Indian Curd Vadai, is a delightful South Indian dish that combines the crispiness of deep-fried vadai with the cool, tangy flavor of yogurt. This dish is perfect for hot summer days and can be served as a snack or appetizer. The blend of spices and the creamy texture of the yogurt make it a crowd-pleaser.
Some ingredients in this recipe might not be commonly found in every household. Urad dal is a type of lentil that is essential for making the vadai batter. Asafoetida is a pungent spice often used in Indian cooking for its unique flavor. Make sure to check the international or Indian section of your supermarket for these items.
Ingredients for Indian Curd Vadai (Thayir Vadai)
Urad dal: A type of lentil used to make the vadai batter.
Salt: Enhances the flavor of the dish.
Cumin seeds: Adds a warm, earthy flavor.
Ginger: Provides a fresh, spicy kick.
Green chilies: Adds heat and flavor.
Yogurt: The base for the curd mixture, providing a creamy texture.
Mustard seeds: Used for tempering, adds a nutty flavor.
Oil: Used for deep frying the vadai and tempering the yogurt.
Asafoetida: A pungent spice that adds a unique flavor.
Coriander leaves: Used for garnishing, adds a fresh, herbal note.
Technique Tip for This Recipe
When grinding the urad dal for the batter, ensure it is ground to a smooth and fluffy consistency. This will help the vadai become light and airy when fried. Adding a few tablespoons of water while grinding can assist in achieving the right texture.
Suggested Side Dishes
Alternative Ingredients
urad dal - Substitute with moong dal: Moong dal can provide a similar texture and is also commonly used in Indian cuisine.
salt - Substitute with sea salt: Sea salt can be used in the same quantity and will provide a similar flavor.
cumin seeds - Substitute with caraway seeds: Caraway seeds have a similar earthy flavor and can be used as a direct substitute.
ginger - Substitute with galangal: Galangal has a similar spicy and aromatic profile, making it a good substitute.
green chilies - Substitute with jalapeños: Jalapeños can provide a similar level of heat and flavor.
beaten yogurt - Substitute with Greek yogurt: Greek yogurt has a similar consistency and tanginess.
mustard seeds - Substitute with nigella seeds: Nigella seeds can provide a similar pungent flavor and are often used in Indian cooking.
oil - Substitute with ghee: Ghee can be used for tempering and will add a rich, buttery flavor.
asafoetida - Substitute with garlic powder: Garlic powder can provide a similar pungent aroma and flavor.
coriander leaves - Substitute with parsley: Parsley can provide a similar fresh and herbaceous note.
Other Alternative Recipes Similar to This Dish
How to Store or Freeze This Dish
To keep your curd vadai fresh for a few days, store them in an airtight container in the refrigerator. Make sure the vadai are completely cooled before storing to prevent condensation.
If you plan to store the vadai for longer, consider freezing them. Place the cooled vadai on a baking sheet lined with parchment paper, ensuring they do not touch each other. Freeze until solid, then transfer to a freezer-safe bag or container.
When ready to use, thaw the vadai at room temperature or in the refrigerator. Once thawed, you can reheat them in an oven at 350°F (175°C) for about 10 minutes to regain their crispiness.
For the yogurt mixture, store it separately in an airtight container in the refrigerator. It will stay fresh for up to 3 days. Before serving, whisk the yogurt to restore its smooth texture.
If you have already combined the vadai with the yogurt mixture, store them in the refrigerator in an airtight container. Consume within 1-2 days for the best taste and texture.
To refresh the vadai after refrigeration, you can briefly soak them in warm water, squeeze out the excess water, and then add them back to the yogurt mixture.
Always garnish with fresh coriander leaves just before serving to maintain their vibrant color and flavor.
For tempering, you can prepare the mustard seeds and asafoetida mixture in advance and store it in a small container. Add this to the yogurt mixture just before serving to retain its aromatic quality.
How to Reheat Leftovers
Microwave Method:
- Place the curd vadai in a microwave-safe dish.
- Cover with a microwave-safe lid or plastic wrap, leaving a small vent for steam to escape.
- Heat on medium power for 1-2 minutes, checking halfway to ensure they are not overheating.
- Stir the yogurt gently to ensure even heating.
- Garnish with fresh coriander leaves before serving.
Stovetop Method:
- Place the curd vadai in a non-stick pan.
- Add a splash of water to the pan to prevent sticking and to help steam the vadai.
- Cover the pan with a lid and heat on low flame for about 5-7 minutes.
- Stir occasionally to ensure even heating.
- Once heated through, transfer to a serving dish and garnish with fresh coriander leaves.
Oven Method:
- Preheat your oven to 300°F (150°C).
- Place the curd vadai in an oven-safe dish.
- Cover the dish with aluminum foil to prevent drying out.
- Heat in the oven for about 10-15 minutes.
- Remove from the oven, stir the yogurt gently, and garnish with fresh coriander leaves before serving.
Steaming Method:
- Place the curd vadai in a heatproof dish that fits into your steamer.
- Steam over boiling water for about 5-7 minutes.
- Ensure the yogurt does not become too watery by covering the dish with a lid or foil.
- Once heated, remove from the steamer and garnish with fresh coriander leaves.
Double Boiler Method:
- Fill a large pot with a few inches of water and bring to a simmer.
- Place the curd vadai in a heatproof bowl that fits over the pot without touching the water.
- Cover the bowl with a lid or foil.
- Heat for about 10 minutes, stirring occasionally to ensure even heating.
- Once warmed, garnish with fresh coriander leaves before serving.
Best Tools for This Recipe
Grinder: To grind the soaked urad dal into a smooth batter.
Deep fryer: To fry the batter into golden brown vadai.
Paper towels: To drain the excess oil from the fried vadai.
Mixing bowl: To whisk the yogurt until smooth and mix with salt.
Whisk: To beat the yogurt until smooth.
Tempering pan: To heat oil for tempering the mustard seeds and asafoetida.
Spoon: To drop spoonfuls of batter into the hot oil.
Tongs: To handle the hot vadai while frying and soaking.
Serving dish: To serve the finished curd vadai.
Knife: To chop the ginger and green chilies.
Cutting board: To chop the ginger and green chilies.
Strainer: To squeeze out excess water from the soaked vadai.
Measuring spoons: To measure out the salt, cumin seeds, and other ingredients.
How to Save Time on Making This Recipe
Prepare ingredients in advance: Soak the urad dal and chop the ginger and green chilies ahead of time.
Use a food processor: Grind the urad dal quickly and smoothly using a food processor.
Preheat oil: Start heating the oil while preparing the batter to save time.
Batch frying: Fry multiple vadai at once to reduce cooking time.
Use a whisk: Whisk the yogurt quickly to achieve a smooth consistency.
Prepare tempering in advance: Have the mustard seeds and asafoetida ready for quick tempering.

Indian Curd Vadai (Thayir Vadai)
Ingredients
Vadai Ingredients
- 1 cup Urad Dal soaked for 2 hours
- 1 teaspoon Salt
- 1 teaspoon Cumin Seeds
- 1 tablespoon Chopped Ginger
- 2 Green Chilies finely chopped
- 1 cup Yogurt beaten
- 1 teaspoon Mustard Seeds
- 1 teaspoon Oil for tempering
- 1 pinch Asafoetida
- 1 tablespoon Chopped Coriander Leaves
Instructions
- 1. Grind soaked urad dal to a smooth batter. Add salt, cumin seeds, chopped ginger, and green chilies. Mix well.
- 2. Heat oil in a deep fryer. Drop spoonfuls of batter into hot oil. Fry until golden brown. Drain on paper towels.
- 3. Soak the fried vadai in water for 10 minutes. Squeeze out excess water and set aside.
- 4. In a mixing bowl, whisk the yogurt until smooth. Add salt to taste.
- 5. Heat oil for tempering. Add mustard seeds and asafoetida. Pour this over the yogurt.
- 6. Add the soaked vadai to the yogurt. Garnish with chopped coriander leaves. Serve chilled.
Nutritional Value
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