This Easy Keto Ground Beef Casserole is a quick, comforting, and low-carb dinner that’s perfect for busy weeknights or meal prep. Packed with juicy ground beef, tender green beans, a creamy sauce, and a blend of cheddar and mozzarella cheese, this casserole is baked to golden perfection. It’s naturally gluten-free, keto-friendly, and has less than 4g net carbs per serving. Whether you’re feeding the family or prepping meals for the week, this dish is a crowd-pleaser!