Slow Cooker 4-Ingredient Lemon Blueberry Dump Cake (Easy, Gooey & Buttery Dessert)

This Slow Cooker 4-Ingredient Lemon Blueberry Dump Cake is one of those desserts that feels almost too easy to be real. You literally “dump,” layer, and let the slow cooker do all the work—no mixing bowls, no fancy equipment, and no complicated steps. The result is a warm, gooey blueberry filling topped with a buttery lemon cake crust that tastes like summer comfort in every bite.

It’s perfect for busy days, potlucks, or when you want a homemade dessert without turning on the oven.

⭐ Why You’ll Love This Recipe

• Only 4 main ingredients
• Made entirely in a slow cooker (crockpot)
• Minimal prep—about 5–10 minutes
• Sweet, tangy, buttery flavor combination
• Perfect for beginners or last-minute desserts

🧾 The 4 Core Ingredients

This dump cake keeps things simple:

1. Blueberry pie filling (2 cans)
2. Lemon cake mix (1 box)
3. Unsalted butter (1 cup, melted or sliced thin)
4. Fresh or frozen blueberries (optional but recommended for extra fruit bursts)

Optional add-ins (not required but amazing):

• Lemon zest (for stronger lemon flavor)
• Vanilla extract (½ tsp)
• Powdered sugar (for dusting after cooking)
• Whipped cream or vanilla ice cream (for serving)

🍰 Step-by-Step Method

Step 1: Prepare the Slow Cooker

Lightly grease the inside of your slow cooker with butter or non-stick spray.
This prevents sticking and makes cleanup much easier later.

Step 2: Add the Blueberry Base

Pour both cans of blueberry pie filling into the bottom of the slow cooker.
Spread it evenly using a spoon so it forms a smooth fruit layer.

👉 If you’re using fresh or frozen blueberries, sprinkle them over the pie filling now.

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