1.5 cups chopped onion (1 large onion)
1 tbsp. minced garlic (3 cloves)
1/2 cup vegetable oil
1 cup tomato paste (10oz. can)
1 cup cider vinegar
1 cup honey
1/2 cup Worcestershire sauce
1 cup Dijon mustard
1/2 cup soy sauce
1 cup hoisin sauce
2 tbsp. chili powder
1 tbsp. ground cumin
1/2 tbsp. crushed red pepper flakes

In a large saucepan on low heat, saute the onions and garlic in the vegetable oil for 10-15 minutes, until translucent but not browned.  Add the tomato paste, vinegar, honey, Worcestershire sauce, mustard, soy sauce, hoisin sauce, chili powder, cumin and red pepper flakes.  Simmer uncovered on low heat for 30 minutes. Use immediately or store in refrigerator.