These Slow Cooker 5-Ingredient Cheddar Beef Meatballs are creamy, cozy, and incredibly easy to make. Frozen beef meatballs simmer in a rich cheddar sauce for a comforting dinner with almost no prep.
Store leftovers in a covered container in the refrigerator for up to 3 to 4 days. Reheat gently in a saucepan over low heat with a splash of milk, or microwave loosely covered in short intervals, stirring between rounds.
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