Mac and Cheese Meatloaf Casserole

Ingredients:

1 lb ground beef
1 lb ground pork
1 cup breadcrumbs
1/2 cup milk
2 eggs
1 onion, finely chopped
2 cloves garlic, minced
1 teaspoon salt
1/2 teaspoon black pepper
1/2 teaspoon paprika
1/2 teaspoon dried oregano
1/2 teaspoon dried thyme
1/4 cup ketchup
1/4 cup BBQ sauce
2 cups elbow macaroni, cooked
2 cups shredded cheddar cheese
1 cup milk
2 tablespoons butter
2 tablespoons all-purpose flour
Salt and pepper to taste