2 tablespoons vegetable oil
1 onion, thinly sliced
2 cloves garlic, minced
1 jalapeno chile, minced (add more or less depending on how much heat you enjoy)
2 teaspoons cumin
2 teaspoons coriander
1 large can chopped tomatoes (or 3 medium tomatoes, chopped)
1/2 cup ketchup
1 cup cider vinegar
2 tablespoons brown sugar
1 bay leaf
1 cup chicken stock or water
In a large sauce pan over medium heat, heat oil. Add onion, garlic, and chile and slowly cook until onion becomes translucent. Add tomatoes, ketchup, vinegar, sugar, bay leaf, and stock. Bring to a boil, then lower to a simmer and cook about 30 minutes. Adjust seasoning.