This simple casserole is packed with the flavors of lean ground beef, black beans, corn, and tater tots. Just pop it in the oven and get your forks ready—dinner is served!
Heat the olive oil in a large skillet over medium heat. Crumble the ground beef into the skillet, add the onions and the garlic, and sauté, stirring often, until completely browned.
Reduce the oven heat to
375 °F. Bake the casserole uncovered for 35–40 minutes, or until the cheese is melted and the casserole is bubbling around the edges.