Dillon'S Mac-N-Cheese

Ingredients

• 1 lb cooked jumbo elbow macaroni
• 3 tablespoons flour
• 3 tablespoons butter
• 3 cups buttermilk (or replace 3T regular milk from 3 cups with 3T vinegar and let it sit for a few minutes to make butt)
• 1 tablespoon Dijon mustard
• 1 tablespoon barbecue sauce
• 1/4 teaspoon sea salt
• 1/2 teaspoon black pepper (or a bit of cayene if you're like me)
• 2 lbs cheddar cheese, shredded
• 1/2 cup parmesan cheese
• 1/2 cup corn niblets
• 1/2 cup cottage cheese
• Topping
• 1 cup seasoned croutons, crushed
• 2 tablespoons melted butter