2 c. macaroni
2 tbsp. butter
2 tbsp. flour
1 tsp. salt
1 tsp. dry mustard
2 c. milk
1/2 c. grated cheese

Boil macaroni in water with 1 tablespoon salt; drain. Add a little butter. Melt 2 tablespoons butter; add flour, salt, dry mustard and mix well. Add milk and heat until sauce thickens a little; add cheese, stir until partially melted. Layer 1 cup cheese, macaroni and sauce in baking dish. Add 1/2 cup milk and top with 1 stick melted butter and a package crushed crackers. Bake at 375 degrees for 20-25 minutes.