Classic Macaroni & Cheese

Directions

1. 1
   Heat oven to 350F.
2. 2
   Cook macaroni according to package directions.
3. 3
   Drain.
4. 4
   Melt butter in 3-quart saucepan until sizzling; stir in flour, mustard and onion powder.
5. 5
   Add half & half; cook over medium heat, stirring constantly, 5-7 minutes or until mixture boils and thickens.
6. 6
   Reduce heat to low; stir in cheese.
7. 7
   Cook 3-5 minutes or until cheese is melted.
8. 8
   Add cooked macaroni; mix well.
9. 9
   Spoon into ungreased 2-quart casserole dish.
10. 10
    Sprinkle with cornflakes.
11. 11
    Bake 30-35 minutes or until heated through.