Macaroni Cheese

1. Cook macaroni in fast-boiling salted water according to package directions. Drain well. 2. Melt butter, stir in the flour and cook 2 minutes. Add mustard and Salt and pepper. Stir in milk gradually. Bring to boil and stir over heat for 2 minutes as it thickens. Remove from heat and beat in 4 ounces of grated cheese. 3. Add macaroni, pour into a greased, oven-proof dish, sprinkle on remaining cheese. 4. Bake in the centre of a moderately hot oven, 375 F for 15 to 20 minutes until beginning to bubble and turning golden.