1-2 green chilies slit, seeded and cut in large pieces
few curry leaves
pinch asafoetida
salt to taste
1/4 tsp turmeric
1 tsp wheat flour
Method
Add onion seeds/jeera to a heated saucepan. When jeera splutters or when you get the aroma, add asafoetida. Add green chilies, curry leaves, then tomatoes, salt, turmeric and cook. If you would like it a bit thicker add the wheat flour.