Preheat oven to 350
Grease 13x9 pan with butter.
In a large pot of salted water, lightly boil the macaroni for about 5 minutes until half-cooked.
Whisk the eggs and milk together in large bowl. Add melted butter and cheese. Stir well.
Add macaroni to large bowl and mix. Pour into baking dish and press the mixture evenly around the baking dish.
Bake uncovered for 30-40 minutes, or until the top is brown.