These cheesy beef and lentil meatballs are a delicious twist on traditional meatballs. Made with a combination of ground beef and lentils, they are packed with flavor and nutrients. The addition of cheese adds a creamy and gooey texture to the meatballs, making them even more irresistible. Serve them with your favorite pasta or as a tasty appetizer. These meatballs can be stored in the refrigerator for up to 3 days and reheated in the oven or microwave. They are perfect for meal prep or a quick and easy weeknight dinner.