Old School Mac n' Cheese
Ingredients:
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1 ¾ pounds whole-wheat macaroni
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¾ cup butter
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¾ cup all-purpose flour
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6 cups milk, divided
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1 tablespoon Worcestershire sauce
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1 teaspoon mustard powder
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1 teaspoon onion powder
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1 teaspoon cayenne pepper
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salt and ground black pepper to taste
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1 (8 ounce) package shredded Cheddar cheese, divided
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3 (8 ounce) packages shredded American cheese
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1 (8 ounce) bag potato chips (such as Lay's®), crushed
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1 cup shredded Cheddar cheese
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⅓ cup grated Parmesan cheese
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butter-flavored cooking spray