Ingredients:

  Amount  Measure       Ingredient -- Preparation Method
--------  ------------  --------------------------------
   4      medium        onions -- finely chopped
     1/3  cup           canola oil
     1/4  teaspoon      cumin seeds
   2      medium        tomatoes or 2 cups canned -- chopped

Preparation:

Heat oil in heavy saucepan. Add cumin seeds. When seeds start to burst, add onions and cook on high for 5-7 minutes. Turn heat down and cook until turns brown, but does not burn. Add tomatoes and cook on low for 15 minutes. The mixture will separate from the oil. Remove, cool and store or continue with recipe.