4 lbs pork back ribs or 4 lbs pork spareribs |
1 teaspoon finely chopped fresh garlic |
1 teaspoon salt |
1/2 teaspoon fresh coarse ground black pepper |
1 cup onion, sliced |
1/4 cup firmly packed brown sugar |
1/4 cup prepared mustard |
1 (14 ounce) bottle ketchup |
2 tablespoons butter, melted |
2 tablespoons apple cider vinegar |
2 tablespoons worcestershire sauce |
1 teaspoon liquid smoke |
1/2 teaspoon chili powder |