Wyman's maccheroni e formaggio di vita

Ingredients
16 oz macaroni (preferably cappellini)
4 tbs butter
4 tbs flour
2 tbs mustard
4 cups whole milk
2tsp onion powder
Pinch cayanne powder (optional)
Fresh ground black pepper
2 eggs
8 oz shredded cheddar
8 oz shredded fontina
4 oz shredded american
4 oz shredded gruyere
2 tbs butter
2 tubes Ritz crackers

Instructions
cook pasta
create a roux with butter and flour, stir for 2 minutes
add mustard, stir for 1 minutes
add milk, bring to boil and simmer for 10 minutes
add onion powder and cayenne
temper eggs and add to milk
simmer for five minutes
stir in 3/4 of cheese
add cooked pasta and transfer to greased baking dish
saute crumbled ritz in butter
add remaining cheese to top and cover with ritz crumble
bake at 350 for 35 or until done

2007 Mac 'n Cheese Bakeoff WINNER