"Macaroni and cheese recipe for 100 people using 15 pounds of cooked macaroni noodles, 1 gallon of whole milk, 1.5 gallons of half-and-half, 5 pounds of sour cream, 12 eggs, 15 pounds of shredded cheddar cheese, 8 pounds of Velveeta, 1 pound of mozzarella, salt, pepper, onion powder, garlic, mustard, 6 pounds of whipped salted butter, and 2 boxes of chicken stock. Include preparation and cooking instructions."