3 Tbsp. butter
1/4 cup all-purpose flour
1 tsp. salt
2 1/2 cups milk
1 1/2 cups shredded Cheddar cheese
4 oz. American cheese
8 oz. pasta, cooked and drained
2 Tbsp. FRENCH'S® Classic Yellow® Mustard Sweet
2 cups FRENCH'S® Crispy Fried Onions Caramelized Flavored
PREHEAT oven to 350°F. Melt butter in medium saucepan over low heat. Stir in flour and salt. Gradually stir in milk and bring to a boil. Cook, stirring constantly, until mixture is thickened and bubbly, about 5 minutes. Stir in cheeses and Mustard.
TOSS cooked pasta with cheese sauce and 1 cup Onions. Turn into 1-1/2-quart baking dish.
BAKE 20 minutes or until mixture is bubbling. Top with remaining onions and bake 5 minutes or until onions are golden.