Macaroni and Cheese

INGREDIENTS

• Dash Worcestershire sauce
• Dash salt and freshly ground black pepper
• 1 teaspoon dry mustard
• 3 cups shredded Cheddar
• 1/2 cup freshly grated Parmesan, for topping
• 6 tablespoons butter
• 1/2 cup all-purpose flour
• 1/4 teaspoon freshly grated nutmeg
• 1 cup crushed potato chips
• 4 cups milk, warm
• 1 pound cavatappi pasta, cooked al dente
• 5 slices cooked bacon, crumbled
• 1/4 teaspoon cayenne pepper
• Dash hot sauce