Preheat the oven to 375 degrees.

Combine the ground beef, onion, bread crumbs, bbq sauce, egg, chili powder, and salt and pepper to taste in a mixing bowl. Thoroughly mix the ingredients until well combined.

Pat the meat mixture firmly into a greased baking dish that measures 9x9 in size.

Cook the dish in the oven for 20 to 25 minutes until it is fully cooked.

Drain the extra fat.

Prepare the mashed potatoes by following the instructions provided on the packaging.

Evenly distribute the cooked potatoes on top of the meatloaf mixture in the baking dish.

Cover the potatoes with the grated cheese and bits of bacon.

Set the oven to the broil setting and cook for a few minutes until the cheese is carefully melted.