Coffee Liqueur Wings

1 ounce butter
1/2 cup onion, finely chopped
3/4 teaspoon chili powder
2 drops hot sauce
1 cup barbecue sauce
2 tablespoons honey
Salt and pepper to taste
2 cloves garlic, minced
1 teaspoon ground cumin
1/2 cup coffee liqueur
2 tablespoons Worcestershire sauce
1 teaspoon salt
20 chicken wings

In a 2-quart saucepan melt butter; saut