Ingredients:
4 slices bacon, cut into small pieces
8 ounces lean ground beef
1 medium onion (diced)
3 15 ounce cans  kidney beans (do not drain)
1 cup ketchup
3 tablespoons apple cider vinegar
5 tablespoons brown sugar
¾ teaspoon onion powder
¾ teaspoon ground mustard
1 ½ teaspoon Worcestershire sauce
salt and pepper to taste

Preheat oven to 350 degrees.

In a large oven-safe skillet cook the bacon, ground beef, and onion over medium heat until browned. Drain off excess fat.

Add remaining ingredients to skillet and stir to combine.

Bake in pre-heated oven for 45 minutes.