Heat oven to 375°. Grease an 8-inch square baking pan or spray with baking spray or a regular loaf pan. In a large bowl, combine the flour, sugar, baking powder, soda, and salt.In a small bowl, whisk the buttermilk with eggs and butter, corn. Stir into the dry ingredients until blended, then fold in the crumbled bacon and cheese. Top with a little more cheddar cheese and bake for 35 minutes in 8×8 pan. Or 45 minutes in a loaf pan until done.