Your kids will love this delicious pasta bake. Cook the macaroni to al dente. Once cooked, drain and add 2 tablespoons of ketchup or homemade tomato sauce. Then add diced ham or chopped bacon, and give it a good stir. Transfer to small individual baking dishes, and top with a few tomato slices. Sprinkle with grated cheese, and bake for 10 minutes at 350 ° F until golden. Serve immediately.