2 cups (7 ounces) uncooked elbow macaroni
2 1/2 cups fat-free milk
1 tablespoon butter
3 tablespoons all-purpose flour
3/4 teaspoon salt
1/2 teaspoon dry mustard
2 cups shredded reduced fat sharp Cheddar cheese
1/2 cup shredded reduced fat sharp Cheddar cheese, optional
Preheat oven to 375 degrees Fahrenheit.
Cook macaroni according to package directions.
Meanwhile, heat milk and butter in a medium saucepan over medium heat. Gradually whisk in flour, salt and dry mustard and simmer for 1 minute, whisking occasionally.
Remove from heat; stir in 2 cups of the Cheddar cheese until melted. Add drained macaroni to saucepan and toss with cheese sauce. Transfer mixture to an 8-inch or 9-inch square baking dish. Sprinkle 1/2 cup Cheddar cheese on top (optional).
Bake uncovered until hot and bubbly, about 20 minutes. Let stand 5 minutes before serving.
makes 6 servings.