This 4-ingredient slow cooker flag day cranberry treat is the kind of simple, cozy dessert that feels special without keeping you in the kitchen all day. You literally toss raw dried cranberries into the bottom of your slow cooker, add just three more everyday ingredients, and let it bubble away while you enjoy time with your family. The result is a warm, sweet-tart cranberry dessert with a soft, cake-like topping that my husband swears tastes like something from a little country café. It’s perfect for Flag Day or any patriotic get-together because it’s easy to pair with vanilla ice cream and fresh berries for that red, white, and blue flair.
Spoon the warm cranberry treat into bowls and top with a scoop of vanilla ice cream or a dollop of whipped cream. For a Flag Day table, scatter a handful of fresh blueberries and sliced strawberries over the top for a festive red, white, and blue look. This dessert is lovely alongside grilled burgers, brats, or barbecue chicken, and it makes a sweet finish to a simple supper of baked chicken and a green salad. Leftovers are wonderful gently rewarmed the next morning and served over yogurt or oatmeal for a cozy breakfast treat.
4-Ingredient Slow Cooker Cranberry Treat
Servings: 6

Ingredients
2 cups raw dried cranberries
1 cup granulated sugar
1 cup water
1 box (about 15–16 oz) yellow cake mix
Directions
Lightly coat the inside of your slow cooker with nonstick cooking spray or a thin layer of butter to help with easy cleanup.
Spread the raw dried cranberries evenly over the bottom of the slow cooker. They should form a single, fairly even layer (this is your base).
In a small bowl or measuring cup, stir together the granulated sugar and water until the sugar is mostly dissolved. It does not have to be perfect; just give it a good stir.
Pour the sugar-water mixture evenly over the cranberries in the slow cooker, making sure all the berries get some moisture.
Sprinkle the dry yellow cake mix evenly over the wet cranberries. Do not stir. Gently shake the slow cooker or tap the sides so the cake mix settles into an even layer on top.
Place the lid on the slow cooker. Cook on HIGH for 2 to 2 1/2 hours, or on LOW for 4 hours, until the top looks set and the edges are lightly golden and bubbly. The cranberries will be soft and syrupy underneath.
Turn off the slow cooker and let the dessert sit, covered, for about 10–15 minutes to thicken slightly. This rest time helps the cranberry layer set up and makes it easier to scoop.
Spoon the warm cranberry treat into bowls, making sure to dig all the way down to get both the soft cake topping and the juicy cranberry layer. Serve warm with ice cream, whipped cream, or fresh berries if you’d like.
Variations & Tips
For a more patriotic Flag Day look, top each serving with fresh blueberries and sliced strawberries so you get that red, white, and blue color combo. If your family prefers things less sweet, you can cut the sugar down to 3/4 cup and add a squeeze of fresh lemon juice over the cranberries before pouring on the sugar-water mixture for extra tartness. For a cozy spice version, whisk 1 teaspoon ground cinnamon and 1/4 teaspoon ground nutmeg into the dry cake mix before sprinkling it over the cranberries. If you have picky eaters who aren’t sure about cranberries, try mixing in 1/2 cup of mini chocolate chips with the dried cranberries to make it feel more like a warm chocolatey dessert. You can also swap the yellow cake mix for white cake mix if that’s what you keep on hand. Food safety tips: Always cook this dessert in a working slow cooker on the HIGH or LOW settings—never on the warm setting alone. Use clean utensils and wash your hands before handling ingredients. Once cooked, do not leave the dessert sitting at room temperature in the slow cooker for more than 2 hours; transfer leftovers to a shallow container, cool, and refrigerate. Reheat individual portions in the microwave until steaming hot before serving again.