Chipotle BBQ Sauce

1 tablespoon butter

½ cup diced onions

3 cloves garlic, minced

½ cup ketchup

½ cup beer

⅓ cup distilled white vinegar

2 tablespoons prepared jalapeno pepper jelly

2 tablespoons brown sugar

1 teaspoon dry mustard

1 teaspoon ground cumin

2 teaspoons ground dried chipotle pepper

1 teaspoon paprika

1 teaspoon salt

Melt the butter in a saucepan over medium heat. Stir in the onion and garlic; cook until the onion has softened and turned translucent, about 5 minutes. Stir in the ketchup, beer, vinegar, jelly, brown sugar, mustard, cumin, chipotle pepper, paprika, and salt. Bring to a simmer, and cook a few minutes until slightly thickened.