Steps

• In medium sauce pan, combine cornstarch, salt, pepper
• Add milk and stir until it all thickens (add some milk to cornstarch to prevent lumpiness)
• Add cheese, melt into milk mixture (consistency will resemble pancake batter)
• Cook macaroni al dente
• Grease pan with butter and add macaroni, cheese sauce mix and extra cheddar
• Continue adding cheese until macaroni and cheese is mixed well
• Add salt, pepper to taste
• Add carnation milk and skim milk over entire mix
• Poke holes in macaroni to allow milk to settle into the mixture
• Once edges are moist, the pan can go into the oven
• Cook, uncover until lightly browned
• Allow to sit and cool after removing