Cowboy Mashed Potato Casserole

Name: Cowboy Mashed Potato Casserole
Ingredients: Cooking spray; 6 strips bacon; 2 pounds baking potatoes, peeled and chopped; 1 (5-ounce) can evaporated milk or whole milk; 2 tablespoons butter; 1 1/2 teaspoon salt, divided; 1/2 teaspoon ground black pepper, divided; 1 pound ground beef; 1 cup chopped onion; 1 green bell pepper, chopped; 1 cup frozen whole kernel corn; 2 cloves garlic, minced; 1 1/2 teaspoon smoked paprika; 1/4 cup barbecue sauce; 1 tablespoon Worcestershire sauce; 1 teaspoon Dijon mustard; 1/2 cup shredded Cheddar or pepper Jack cheese; 1/4 cup canned French-fried onions; 2 tablespoons finely chopped fresh parsley