Stuffed Pepper Casserole is a simple and comforting meal that brings all the classic stuffed pepper flavors into one easy dish. This recipe is perfect for easy dinner recipes, family dinner ideas, and comfort food meals. Made with ground beef, rice, bell peppers, and melted cheese, it is hearty, filling, and great for busy weeknights. If you love one pan meals, cozy casseroles, and quick homemade dinners, this Stuffed Pepper Casserole will quickly become a favorite in your meal rotation.