1. Preheat oven to 350 degrees.
2. Lightly grease 9"x9" baking dish.
3. Boil macaroni for 5 minutes until half cooked.
4. Whisk the egg and milk together. Add butter and cheese to milk mixture. Stir well.
5. Place the macaroni in the baking dish. Pour the cheese mixture over the macaroni. Sprinkle with salt and pepper and stir well. Press the mixture evenly around the dish.
6. Bake uncovered for 30-40 minutes or until the top is brown.