Macaroni And Cheese(Microwave)  
["2 c. elbow macaroni", "2 Tbsp. margarine", "2 Tbsp. flour", "2 c. milk", "2 c. shredded Cheddar cheese", "1 tsp. salt", "1 Tbsp. instant minced onion"]
["Cook macaroni by package directions.", "Drain.", "Place in 2-quart microproof casserole.", "Set aside.", "Place butter in 4 cup glass measure.", "Cook on High for 1 minute or until melted.", "Stir in flour until blended.", "Pour milk into 2 cup glass measure.", "Cook on 70 for 2 minutes. Stir into flour-butter mixture.", "Cook on High for 5 to 6 minutes or until thickened; stirring frequently.", "Add salt and onion.", "Add cheese; stir until melted.", "Pour over macaroni.", "Blend well.", "Serve immediately."]
["elbow macaroni", "margarine", "flour", "milk", "Cheddar cheese", "salt", "onion"]