Easy-Cheesy-Best Macaroni And Cheese

Ingredients:
- 8 oz. elbow macaroni or assorted pasta (shells, spirals and wagon wheels; 2 c.)
- 1 Tbsp. butter or margarine, soft
- 1 egg, well beaten
- 1 tsp. dry mustard
- 1/2 tsp. salt
- 1/8 tsp. ground nutmeg
- 1 Tbsp. boiling water
- 1 c. milk
- 3 c. shredded sharp Cheddar cheese (12 oz.)
- 1/4 c. grated onion
- paprika

Directions:
- Preheat oven to 350°.
- Lightly grease a 1 1/2-quart casserole dish.
- Cook macaroni or pasta in boiling water until tender, but firm to bite.
- Drain and return to saucepan.
- Stir in butter and egg.
- In large bowl, combine mustard, salt and nutmeg with the tablespoon of boiling water.
- Stir in milk, 2 1/2 cups cheese, onion and macaroni or pasta.
- Pour macaroni mixture into casserole dish.
- Top with remaining cheese and sprinkle with paprika.
- Bake for 1 hour or until well browned top crust has formed.