Melt 2 tablespoons of butter. ... 3 cups of Cheddar and 1 1/2 cups Gruyre ... Set aside. Cook macaroni 2 to 3 minutes less ... brown, about 30 minutes.
Preheat oven to 375°F. Butter ... peppers, 3 cups Cheddar cheese and 1 1/2 cups ... to boil. Cook macaroni until the outsides of pasta ... Cool for 5 minutes.
Heat oven to 375 degrees. Cook macaroni as package directs. Place half ... cheese; repeat. Pour white sauce over casserole. Dot with ... and stir 1 minute.