½ large red onion (minced)
6 cloves garlic (minced)
2 serrano chilies (seeded and minced)
2 bottles of dark beer
1 OZ dark brown sugar
2 bay leaves
Salt and freshly ground pepper (to taste)
Place all ingredients in a medium saucepan, season with salt and pepper and cook over medium heat for 15 minutes. Remove from the heat and let cool slightly.