Baked Mac and Cheese Recipe: How to Make It

Ingredients

• 1 package (16 ounces) uncooked elbow macaroni
• 1/3 cup plus 1/4 cup butter, divided
• 3/4 cup finely chopped onion
• 6 tablespoons all-purpose flour
• 1 teaspoon ground mustard
• 3/4 teaspoon salt
• 1/4 teaspoon pepper
• 4-1/2 cups 2% milk
• 4 cups shredded sharp cheddar cheese
• 3/4 cup dry bread crumbs