Serving Suggestions
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Pair with a crisp green salad
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Serve alongside roasted or steamed vegetables
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Enjoy with crusty bread to soak up extra sauce
Tips & Variations
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Swap Swiss cheese for mozzarella or cheddar for a different flavor
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Add sliced mushrooms or bell peppers for extra texture
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Use brown rice or cauliflower rice for a lighter option
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Make ahead by combining ingredients and refrigerating until ready to bake
Storage & Reheating
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Store leftovers in an airtight container in the fridge for up to 3 days
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Reheat in the oven or microwave until warmed through
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Freezes well for up to 2 months; thaw before reheating
Final Thoughts
This French Onion Ground Beef and Rice Casserole is rich, hearty, and comforting—a perfect blend of savory beef, sweet onions, and gooey cheese. It’s an easy, family-friendly casserole that will quickly become a weeknight favorite.