Microwave Macaroni And Cheese - cooking recipe

Ingredients

2 cups uncooked elbow macaroni
2 cups hot water
1/3 cup butter or 1/3 cup margarine
1/4 cup chopped onion
3/4 teaspoon salt
1/4 teaspoon pepper
1/4 teaspoon ground mustard
1/3 cup flour
1 1/4 cups milk
8 ounces process American cheese, cubed

Preparation

In a 2-qt.
microwave-safe dish, combine the first seven ingredients.
Cover and microwave on high for 3 1/2 minutes; stir.
Cover and cook at 50% power for 4 minutes for until mixture comes to a boil, roating a half turn once.
Combine flour and milk until smooth; stir into macaroni mixture.
Add cheese.
Cover and cook on high for 6-8 minutes or until the macaroni is tender and sauce is bubbly, rotating a half turn once and stirring every 3 minutes.