3-Ingredient Slow Cooker Pineapple Upside-Down Cake
This 3-ingredient slow cooker pineapple upside-down cake proves that simple desserts can still feel downright special. Inspired by the classic retro favorite, this easy crockpot dessert delivers all the sweet, caramelized pineapple flavor you love without turning on the oven or dirtying extra dishes.
Instead of baking, this recipe lets the slow cooker do all the work. Juicy pineapple rings simmer gently in their own syrup while a buttery yellow cake layer cooks up soft, tender, and perfectly moist. As it cooks, the cake absorbs the pineapple juices, creating a naturally sweet caramel sauce at the bottom no extra sugar needed.
It’s the kind of easy slow cooker dessert you can throw together in minutes, set before heading out, and come home to a kitchen that smells like you’ve been baking all day. Whether you’re feeding family, hosting guests, or just craving something warm and comforting, this recipe is a reliable crowd-pleaser you’ll want to make again and again.
Why You’ll Love This Recipe:
Only 3 ingredients no eggs, no oil, no fuss
No oven required, perfect for warm days or busy evenings
Budget-friendly dessert using pantry staples
Moist, tender texture with caramelized pineapple flavor
Ideal for potlucks, holidays, and weeknight treats
Ingredients:
1 (20 oz) can pineapple rings in juice (do not drain)
1 (15.25 oz) box yellow cake mix (dry mix only)
1/2 cup unsalted butter, melted
Directions:
Lightly grease a 5–6 quart slow cooker with cooking spray or butter.
Pour the pineapple rings and all their juice into the bottom of the slow cooker. Arrange the rings so they mostly cover the base rustic is perfect.
In a bowl, mix the dry cake mix with the melted butter until thick and crumbly.
Spoon the batter evenly over the pineapple without pressing down.
Cover and cook on HIGH for 2–2½ hours or LOW for 4–4½ hours, until the cake is set and lightly golden.
Let rest for 10–15 minutes before serving to allow the syrup to thicken.
Serve warm, scooping through the cake and pineapple layers for the ultimate cozy crockpot dessert.
Serving Ideas:
Top with vanilla ice cream or whipped cream
Serve with fresh berries for balance
Pair with coffee or hot tea for a comforting finish
Variations & Tips:
Sprinkle brown sugar under the pineapple for deeper caramel flavor
Add cinnamon to the cake mix for warmth
Use pineapple chunks or tidbits if rings aren’t available
Leftovers reheat beautifully in the microwave
