Preheat oven to 450. Cut up potatoes and onion and combine in bowl. Add minced garlic cloves and olive oil. Bake covered for 45 minutes. Add slits to cover. After 45 minutes remove cover and add half the bacon pieces and add salt and pepper to taste. Bake an additional 25 minutes uncovered until soft. Remove and add cheese and remaining bacon pieces. Bake 5 minutes or until cheese is melted. Serve.