A rich and comforting casserole made with ground beef, rice, caramelized onions, and melty cheese. The perfect weeknight dinner packed with flavor!
Prep Time 15 minutes mins
Cook Time 50 minutes mins
Total Time 1 hour hr 5 minutes mins
For a richer flavor, use homemade French onion soup instead of canned. To make it extra creamy, add an additional 1/4 cup of sour cream.