Ingredients
Method
- Heat the oven to 375°F and grease a 9-by-13-inch dish. Cook macaroni 3 minutes short of done and drain.
- Melt 3 tablespoons butter, add flour for 1 minute, then whisk in milk, mustard, salt and pepper until lightly thickened.
- Remove from heat and add cheddar, Gouda and American cheese a handful at a time. Fold in macaroni and spread in the dish.
- Mix cornflakes with remaining melted butter and sprinkle over the top.
- Bake for 25 to 30 minutes until bubbling and crisp. Rest 10 minutes.