Spicy Yogurt Sauce

Ingredients

1 c onion
2 chilis
2 tb ve oil
1 ts cumin seeds
1 ts coriander seeds
1 tomato
2 ts unbleached flour
1 c yogurt

Instructions

Salt to taste Saute the onions and chilis in the oil until tender, about 10 minutes. Add the cumin and coriander and saute for a minute, stirring constantly. Stir in the tomato and flour and cook for 2 minutes. Finally, stir in the yogurt. Heat the sauce thoroughly, but do not allow it to boil or the yogurt will curdle. Add salt to taste and serve.