3 tbsp vegetable oil
2 cups tomatoes; diced
1 cup scallions; chopped
1 clove garlic; minced
1 tsp cumin
1/4 tsp salt
1/4 tsp ground pepper

1. Heat the oil in a saucepan, add the tomatoes, scallions, garlic, ground cumin and cook gently for 10 minutes, stirring until softened.

2. Reduce the heat to low, add the salt and , cook for 10 minutes more, stirring occasionally until the sauce has thickened. Check and adjust the seasoning.

Notes:
Keep in the fridge in a sealed container up to 1 week.