3-Ingredient Slow Cooker Lemon Blueberry Cake 🍋🫐
Toss Blueberries Into the Slow Cooker and Let Dessert Make Itself
This 3-Ingredient Slow Cooker Lemon Blueberry Cake is one of those effortless desserts that tastes like it came from a bakery, even though it takes just minutes to assemble. You simply add fresh blueberries, sprinkle lemon cake mix, drizzle melted butter, and let the slow cooker do the rest.
The result is a warm, soft lemon blueberry cobbler-style cake filled with juicy berries and a buttery cake topping. It’s perfect for family dinners, potlucks, summer gatherings, or cozy desserts with coffee.
Ingredients (Serves 8)
- 3 cups fresh blueberries, rinsed and dried
- 1 box (about 15.25 oz) lemon cake mix
- ½ cup (1 stick) unsalted butter, melted
Instructions
1. Prepare the Slow Cooker
Lightly grease a 4–6 quart slow cooker with cooking spray or butter.
2. Add the Blueberries
Spread the fresh blueberries evenly across the bottom of the slow cooker in a single layer.
3. Add the Cake Mix
Sprinkle the dry lemon cake mix evenly over the blueberries.
Do not stir.
4. Add the Butter
Slowly drizzle the melted butter over the cake mix, covering as much of the surface as possible.
5. Cook
Cover and cook:
- HIGH: 2 – 2½ hours
- LOW: 3½ – 4 hours
The dessert will be soft and scoopable like a cobbler, with lightly golden edges.
6. Let It Set
Turn off the slow cooker and let the cake sit for 10–15 minutes before serving.
Spoon into bowls and enjoy warm.
Delicious Serving Ideas 🍨
This lemon blueberry cake is amazing with:
- Vanilla ice cream
- Whipped cream
- Powdered sugar
- Fresh lemon zest
It pairs perfectly with coffee or tea for an easy dessert with friends.
Variations & Tips
✔ Tart Lemon Flavor: Toss blueberries with 1–2 teaspoons lemon juice before adding them.
✔ Less Sweet Option: Use extra blueberries to balance the sweetness.
✔ Fancy Finish: Sprinkle fresh lemon zest on top after cooking.
✔ Kid-Friendly Twist: Add white chocolate chips or sliced almonds before drizzling butter.
✔ Dairy-Free Version: Replace butter with melted coconut oil or dairy-free margarine.
Why Everyone Loves This Recipe ❤️
- Only 3 ingredients
- Super easy slow cooker dessert
- Perfect summer berry dessert
- Tastes like homemade blueberry cobbler
- Great for potlucks and family dinners
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