Best Ever Macaroni & Cheese - cooking recipe

Ingredients

2 1/2 cups elbow macaroni (to make a smaller batch adjust recipe to 1 cup macaroni)
1 teaspoon salt
6 cups water
5 cups American cheese, grated
salt, to taste
pepper, to taste
butter, 1-2 tablespoon
1 egg
1 1/4 cups milk, more milk may be necessary
butter or cooking spray, to coat casserole dish

Preparation

Bring water to boil in a sauce pan.
Add 1 teaspoon of salt & macaroni to pan and stir.
When water boils again, reduce heat and cook for 10 minutes, drain macaroni.
Butter or coat a 2-quart casserole dish with cooking spray.
Cover the casserole dish with a layer of macaroni.
Add a layer of grated American cheese.
Salt and pepper to lightly cover layer, add a small amount of butter.
Repeat layering procedure, end with a layer of cheese.
Beat one egg, add 1 1/4 cup milk and stir together. Pour egg/milk mixture over macaroni & cheese. If necessary, add enough milk to bring the milk level with 3/4-inch of top of macaroni & cheese.
Bake at 350 degrees for 30-40 minutes, uncovered.