My uncle brings this 3 ingredient staple to every backyard gathering. It vanishes instantly and always has everyone begging for his secret.

These 3-ingredient grape jelly meatballs are the kind of dish that quietly steals the show at every backyard gathering. My uncle has been bringing a slow cooker full of them to family cookouts in the Midwest for as long as I can remember. They’re wonderfully retro—this style of recipe became popular in the 1960s and 70s, when home cooks leaned into convenience foods and clever pantry pairings. The magic is in the contrast: sweet grape jelly, tangy barbecue sauce, and savory meatballs simmer together into a glossy, sticky glaze that clings to every bite. It’s a practical, low-effort recipe that you can throw together in minutes and let the slow cooker do the rest, and it reliably disappears before anything else on the buffet table.

Serve these meatballs straight from the slow cooker on the warm setting, with a small bowl of toothpicks nearby so guests can help themselves. They’re perfect alongside classic backyard fare: grilled burgers, hot dogs, coleslaw, potato salad, and a simple green salad. For something a bit heartier, spoon them over buttered egg noodles, steamed white rice, or mashed potatoes so the sweet-savory sauce has something to soak into. They also make an easy game-day snack when paired with a crisp lager or a light red wine, plus a tray of raw vegetables and ranch for contrast.

Servings: 10-12 as an appetizer

2 pounds frozen fully cooked cocktail-size meatballs

Place the frozen meatballs into the insert of a slow cooker, spreading them into an even layer so the sauce can coat them well.

In a medium bowl, whisk together the grape jelly and barbecue sauce until the mixture is smooth and evenly combined. It should be thick but pourable.

Pour the grape jelly–barbecue mixture over the meatballs, using a spatula to scrape out every bit of sauce. Gently toss the meatballs with a large spoon so they’re all coated in the sauce.

Cover the slow cooker with the lid and cook on HIGH for 2 to 3 hours, or on LOW for 4 to 5 hours, until the meatballs are heated through and the sauce is bubbling and glossy. Stir once or twice during cooking to prevent sticking and to ensure even coating.

Once the meatballs are hot in the center (an instant-read thermometer should read at least 165°F in a few meatballs), switch the slow cooker to the WARM setting. Give everything a final stir so the meatballs are shiny and evenly glazed.

Serve the meatballs directly from the slow cooker insert to keep them warm, making sure each portion gets plenty of the thick, sticky sauce spooned over the top.

You can easily customize these while keeping the three-ingredient spirit. For a slightly less sweet version, choose a tangier barbecue sauce or use half grape jelly and half cranberry sauce. If you like a bit of heat, pick a spicy or chipotle barbecue sauce, or stir a teaspoon of crushed red pepper flakes into the jelly–barbecue mixture before pouring it over the meatballs. Beef, pork, turkey, or mixed-meat frozen meatballs all work; just be sure they’re fully cooked as labeled on the package. For a leaner option, use turkey meatballs and a lighter-style barbecue sauce. To turn this into a simple dinner, serve the meatballs over rice, egg noodles, or polenta, and add a side of steamed green beans or a crisp salad. Food safety notes: Always start with fully cooked, frozen meatballs from a reputable brand or properly cooked homemade meatballs that have been cooled and frozen. Keep the meatballs out of the temperature danger zone (40°F–140°F) as much as possible—don’t leave them at room temperature for more than 2 hours (1 hour if it’s very hot outside). Use a slow cooker that heats properly; the internal temperature of the meatballs should reach at least 165°F before serving. If you have leftovers, cool them quickly, transfer to an airtight container, and refrigerate within 2 hours; they’ll keep safely for up to 3 to 4 days, or can be frozen for up to 2 months.