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Crock Pot French Onion Meatballs Recipe – Cheesy & Delicious

Crock Pot French Onion Meatballs served with melted cheese and bread

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Frozen meatballs meet French onion soup in this easy slow cooker recipe—finished with melted cheese for the ultimate cozy meal.

Ingredients

Scale
  • 26 oz bag of frozen homestyle meatballs
  • 1 small onion, sliced
  • 1 can (10.5 oz) French onion soup
  • 1 packet (1 oz) Lipton Onion Soup Mix
  • 1 cup shredded Gruyère cheese (or Swiss/Mozzarella)
  • Optional for thickening:
  • 12 tablespoons cornstarch
  • 12 tablespoons water

Instructions

1. Add frozen meatballs to the slow cooker.

2. Top with sliced onions, pour in French onion soup, and sprinkle the dry soup mix. Lightly stir to combine.

3. Cover and cook on low for 4–6 hours or high for 3–4 hours.

4. Sprinkle shredded cheese on top before serving. Cover to melt.

5. Mix water and cornstarch, stir into crock pot during the last 30 minutes if a thicker gravy is desired.

Notes

Use homemade meatballs for extra flavor and control.

Swap cheeses based on preference—Gruyère, Swiss, or mozzarella all work well.

Enhance with herbs like thyme or parsley, or spice it up with red pepper flakes.