Cozy, quick, savory, and ridiculously low effort. This can be served over mashed potatoes for a full dinner, as an appetizer for parties, or over French bread as a meatball sub! Just 5 minutes of prep and you have the easiest, tastiest crockpot staple.
Chefadora AI has the answer - timers, swaps, step-by-step help.
Add meatballs, onion, soup, soup mix, and Worcestershire to the crockpot.
Cook on low for 2–3 hours or high for 1-1.5 hours until rich and glossy.
Turn off heat and add cheese on top of your meatballs. Close the lid and let sit for 10-15 minutes so the cheese gets melty.
Serve over mashed potatoes, French bread, or enjoy as an appetizer for parties.
Fresh thyme adds a nice touch but is optional.
For a richer flavor, use homemade French onion soup instead of canned.
Can I use homemade meatballs instead of frozen?
Yes, you can use homemade meatballs. Make sure they are fully cooked before adding them to the crockpot.
Can I substitute Gruyère & Swiss cheese?
Yes, you can use other melty cheeses like mozzarella or provolone as substitutes.
Can I make this recipe vegetarian?
You can use vegetarian meatballs and vegetable-based French onion soup to make it vegetarian.
Can I cook this on the stovetop instead of a crockpot?
Yes, you can simmer the ingredients on low heat in a covered pot until the meatballs are heated through and the flavors meld.
How do I store leftovers?
Store leftovers in an airtight container in the refrigerator for up to 3 days. Reheat in the microwave or on the stovetop.
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