Four-Cheese Mac and Cheese

Ingredients (10)

• 1 package (16 ounces) elbow macaroni
• 1/4 cup butter, cubed
• 1/4 cup all-purpose flour
• 1/2 teaspoon salt
• 1/8 teaspoon pepper
• 3 cups 2% milk
• 2 cups shredded cheddar cheese
• 1-1/2 cups shredded Swiss cheese
• 1/2 cup crumbled blue cheese
• 1/2 cup grated Parmesan cheese