Wash mix and Soak all Daals in a mixing bowl for 3-4 hours.
Chop onion, ginger, potato, garlic, green chilli and coriander leaves. Place all these vegetables in mixer. Drain water from Daal and add in mixer and grind all ingredients to a fine paste.
Transfer it in a mixing bowl. Add salt, cumin seeds powder, black pepper and mix well.
Now wash peel and chop onion, tomato, green chilli and coriander leaves in very small pieces.
Add baking powder in the batter and mix gently.
Heat a griddle. Apply butter on it and pour 2 tb spoon batter. Spread it with the help of spetula. Top it with chopped vegetables and press with spetula. Cook for 2 minutes on low flame. Flip the side and roast from other side also. Spread butter on it's sides. Flip again and roast for 2 minutes.
Like wise make all the uttapams.
Serve hot with sauce.
