Dappalam-Vegetable stew

Dappalam is a famous Andhra Recipe in which vegetables are simmered in a tamarind sauce with jaggery.
Preparation time:40 minutes

Serves:4 

Ingredients:
1 cup sweet potato cut into 1/2 inch circles
1 cup lauki cut into 1/2 inch cubes
1 cup egg plant cut into 1/2 inch cubes
1 medium Tomato chopped
1/2 teaspoon Tamarind paste
1 teaspoon Red chilli powder
1/4 teaspoon Turmeric powder
salt to taste
2 teaspoons oil
1/2 teaspoon methi powder
1 tablespoon besan(chickpea-gramflour)
1/2 teaspoon grated ginger
1 spring curry leaves
1/2 teaspoon mustard seeds
1/2 teaspoon cumin seeds
5 green chili
2 red chili
1 tablespoon jaggery(reduce if you don't like it sweet)

Procedure:
1.Pressure cook the vegetables in water enough to soak them and salt and pinch of turmeric for 1 whistle. 

2.In a pan heat the oil and add cumin, mustard and curry leaves and let splutter,then add green chili, ginger,red chili, chana dal, urad dal and let brown lightly.

3.Add the tempering to the previously boiled vegetables and bring to a boil.

4.Add the tamarind and jaggery and mix.

5.In a small bowl take 3 tablespoons water and mix the gram flour and methi powder to a paste,make sure there are no lumps.

6.Now add this to the boiling vegetable mixture and let the sauce thicken. Add the red chili powder for more spice and simmer for a minute and turn off the stove.

Tips:
Serve with Rice