1 pound uncooked cellentani (corkscrew) pasta
2 tablespoons butter
1/4 cup all-purpose flour
3 cups fat-free milk
1 (12-oz.) can fat-free evaporated milk
1 cup (4 oz.) shredded smoked Gouda cheese
1/2 cup (2 oz.) shredded 1.5% reduced-fat sharp Cheddar cheese
3 ounces fat-free cream cheese, softened
1/2 teaspoon salt
1/4 teaspoon ground red pepper, divided
1 (8-oz.) package chopped smoked ham
Vegetable cooking spray
1 1/4 cups cornflakes cereal, crushed
1 tablespoon butter, melted