) Preheat oven to 400°F.

) In a large skillet over medium heat, cook the ground beef until browned. Add the diced onion and bell pepper and let sauté until tender, about 5 minutes.

) Stir in the brown sugar, Worcestershire sauce, dry mustard and garlic salt.

) Add the tomato sauce and ketchup and stir until well combined.

) Let mixture simmer over low heat while you prepare the topping.

) For the topping, add the flour, baking powder and salt to a large bowl.

) Stir in the milk, melted butter, and eggs until well combined.

) Fold in the shredded cheese.

) Pour the meat mixture into a 13 by 9-inch baking dish.

) Spread the topping evenly over the meat mixture.

) Bake for 25-30 minutes or until the crust is light golden brown.