Halloween Mac and Cheese

0 Bring 6 cups of water to a boil.
1 Add the macaroni and cook until tender.
2 Drain.
3 Add the butter and milk to the drained macaroni.
4 Stir in the cheese.
5 Stir in 1 teaspoon of the black food coloring until all the macaroni is colored black.
6 If it's not dark enough add another teaspoon or so of food coloring until the desired color is reached.
7 Spoon into serving dishes and sprinkle with Parmesan.
8 Serve.