1 pound elbow macaroni
1 stick (1/2 cup) butter
1/4 cup all-purpose flour
1 teaspoon ground mustard
1 teaspoon salt
1/2 teaspoon black pepper
2 cups milk
2 1/2 cups shredded sharp cheddar cheese, divided
2 (15-ounce) cans chili with beans
1 cup French-fried onions
Directions1.Preheat oven to 375 degrees F. Coat a 9- x 13-inch baking dish with cooking spray.
2.In a large pot, cook macaroni according to package directions; drain and set aside.
3.In the same pot over medium heat, melt butter. Add flour, mustard, salt, and pepper; mix well. Gradually add milk and cook until thickened, stirring constantly. Add 2 cups cheese and continue stirring until melted. Remove from heat and stir in macaroni. Spoon mixture into baking dish.
4.Pour chili evenly over macaroni and cheese, and top with remaining 1/2 cup cheese. Sprinkle French-fried onions over top.
5.Bake 25 to 30 minutes, or until heated through and golden.