3 Cheese Cavatappi

Bahan-bahan (6 porsi)

• 1 pound cavatappi
• 1 small onion (diced, about ⅔ cup)
• ⅓ cup butter
• ⅓ cup all-purpose flour
• 1 ¾ cups milk
• 1 ¼ cup light cream (about 10-12% MF)
• ½ teaspoon seasoned salt
• ½ teaspoon garlic powder
• ¼ teaspoon black pepper
• 3 cups shredded sharp cheddar cheese
• 1 cup shredded Gruyere cheese (or swiss cheese)
• ½ cup shredded Parmesan cheese
• 1 cup shredded sharp cheddar cheese