Cheese-Corn Casserole is an easy cheesy ground beef casserole made with sweet corn, onion, green pepper, salsa con queso, barbecue sauce, and chili powder. Topped with crunchy corn or tortilla chips, this hearty casserole makes a quick family dinner or comforting side dish.casserole pairs beautifully with meats, barbecue, or stands on its own as a satisfying comfort classic.