Farmhouse Barbecue Muffins(Yield:  8 - 10 Muffins)  
["1 tube (10 oz.) refrigerated buttermilk biscuits", "1 lb. ground beef", "1/2 cup ketchup", "3 Tbsp. brown sugar", "1 Tbsp. cider vinegar", "1/2 tsp. chili powder", "1 cup (4 oz.) shredded cheddar cheese"]
["1. Preheat oven to 375\u00b0."]
["buttermilk", "ground beef", "ketchup", "brown sugar", "cider vinegar", "chili powder", "cheddar cheese"]