Watermelon sambar

Tuar dal - 1/2 cup
Turmeric --- 1/2 tea sp
Tamarind --- 5 Gms. (1 medium size lemon sized tamarind)
Salt to taste
Red chili powder --- 1/2 tea sp
FOR SEASONING:---
Oil --- 2 tab sp
Mustard seeds --- 1 tea sp
Red chilies – 2 broken
Curry leaves – 2 springs.
1 tab sp chopped coriander leaves for garnishing.

METHOD:-
Cut the watermelon and remove the red fruit part and peel the green skin and take the white part and cut in to 2 in size pieces.
1. Soak tamarind in warm water for 10 min and extract the juice with 1 cup of water and leave a side.
2. Wash and soak dal for 1/2 hour and cook with 1/4 tea sp turmeric and cook till soft and remove from heat mash a little bit and leave a side.
3. Now add water melon pieces to tamarind juice and add salt to taste remaining turmeric and red chili powder and cook till watermelon pieces become tender and raw smell of the tamarind disappears.
4. Then add cooked and mashed tuvar dal mix well and bring to a full boil and check the salt if require adjust.
5. Now add ground sambar powder mix well and again bring to a full boil and let it cook for few min.
6. Now in a fry pan heat oil and add mustard seed and let them popup then add red chilies and curry leaves and add the seasoning to sambar and switch of the flame cover and leave a side for some time.
7.Then sprinkle chopped coriander leaves on top and serve hot with rice or idlis.