My aunt brought this secret 4 ingredient dessert to every potluck. Just seal them tight and let the heat create a warm sticky glaze that smells amazing when opened.

This slow cooker 4-ingredient caramel apple packets recipe is based on a little potluck secret my aunt brought to every church basement gathering and family reunion. She’d show up with a slow cooker full of foil packets, and when we opened them, the steam and that warm, sticky caramel-apple smell would fill the whole room. It’s a simple, cozy dessert that feels special but takes almost no effort: just seal the apples up tight in foil with a few pantry staples, let the heat work its magic, and you get tender fruit in a bubbling caramel glaze that everyone wants the recipe for.

Serve these caramel apple packets warm, straight from the slow cooker, with a scoop of vanilla ice cream or a dollop of whipped cream so it melts into the caramel sauce. They’re also lovely with a spoonful of vanilla yogurt for a lighter option, or alongside a simple butter cookie to soak up the extra sauce. For a potluck, set out bowls, spoons, and toppings like chopped nuts, mini chocolate chips, or granola so everyone can dress up their own packet.

Servings: 6

6 medium firm apples (such as Granny Smith or Honeycrisp), peeled and diced

Prepare the slow cooker and foil: Line the bottom of your slow cooker with a single layer of crumpled foil or a piece of parchment to protect the surface and make cleanup easier. Tear off 6 pieces of heavy-duty aluminum foil, each about 12 inches long, to make individual packets.

Prep the apples: Peel the apples, core them, and dice them into small bite-size pieces (about 1/2-inch cubes). This helps them cook evenly and get nice and tender in the caramel glaze.

Fill the packets: Divide the diced apples evenly among the 6 pieces of foil, piling them in the center of each sheet. Sprinkle each mound of apples with about 2 to 3 tablespoons of brown sugar. Top each with an equal share of the chopped soft caramels, tucking some pieces down into the apples so they melt throughout. Dot the top of each pile with a few small pieces of butter.

Seal the packets tightly: Bring the long sides of each foil sheet up and together over the apples, then fold them down tightly several times to seal. Fold up the shorter ends tightly as well, crimping them so no juices can escape. The tighter you seal, the better the steam will build and create that warm, sticky caramel glaze inside.

Arrange in the slow cooker: Place the sealed packets in the slow cooker, seam-side up. It’s fine if they overlap a bit or stand on their sides, as long as they stay mostly closed and snug. Cover the slow cooker with its lid.

Cook until tender and bubbly: Cook on LOW for 3 to 4 hours, or on HIGH for about 2 hours, until the apples are very tender and you can hear the caramel mixture bubbling inside the packets. If your slow cooker runs hot, start checking a little earlier by carefully opening one packet.

Serve the packets: Turn off the slow cooker and let the packets sit for about 5 minutes so the bubbling caramel settles slightly. Using tongs, lift out the foil packets and place them in bowls or on plates. Carefully open each packet away from your face and hands to avoid the hot steam. Stir the apples gently in their sauce, then serve them just as they are or topped with ice cream, whipped cream, or yogurt.

For picky eaters, you can chop the apples extra small so they feel more like a warm apple topping than big chunks of fruit, and go a little lighter on the brown sugar if they prefer things less sweet. If someone loves cinnamon but you want to keep the core recipe to four ingredients, offer ground cinnamon or apple pie spice at the table as a sprinkle-on option instead of mixing it in. You can also swap half the apples for pears for a softer, milder flavor, or mix tart and sweet apples for a nice balance. If you don’t have soft caramels, you can use about 3/4 cup thick caramel sauce and drizzle a spoonful into each packet in place of the chopped candies. For a nutty twist, set out chopped pecans or walnuts as an optional topping at serving time so folks who like crunch can add it while keeping the base recipe simple. These packets reheat well in the microwave the next day—just open the foil and warm in a microwave-safe bowl in short bursts, stirring in between so the caramel doesn’t scorch.