Why This Recipe Is a Keeper
Before we dive into the method, here is why this lemon citrus treat will become a favorite.
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Only 4 ingredients. Simple and affordable.
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No mixing required. Just layer and cook.
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Set it and forget it. The slow cooker does all the work.
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Bright and tangy. Rich, satisfying, and delicious.
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Crowd-pleasing. Everyone loves lemon dessert.
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Budget-friendly. Lemon pie filling, cake mix, and butter are inexpensive.
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Perfect for spring, summer, and gatherings.
Ingredients
Servings: 8
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2 cans (21 ounces each) lemon pie filling
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1 box (about 15–16 ounces) yellow cake mix
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1/2 cup (1 stick, 113 g) unsalted butter, melted
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1 tablespoon fresh lemon zest (from 1–2 lemons)
Ingredient Notes
Lemon pie filling: Use canned lemon pie filling.
Yellow cake mix: Use dry yellow cake mix.
Butter: Use unsalted butter. Melt it.
Lemon zest: Adds bright, fresh lemon flavor.
Step-by-Step Instructions
Step 1: Prepare the Slow Cooker
Lightly grease the insert of a 4- to 6-quart slow cooker with nonstick spray or butter.
Step 2: Add the Lemon Filling
Pour the canned lemon pie filling into the bottom of the slow cooker and spread it into an even layer.
Step 3: Add the Cake Mix and Zest
In a medium bowl, stir together the dry yellow cake mix and lemon zest until evenly distributed. Sprinkle this mixture evenly over the lemon pie filling.
Step 4: Add the Butter
Slowly drizzle the melted butter evenly over the surface of the dry cake mix.
Step 5: Slow Cook
Cover and cook on HIGH for 2 to 2 1/2 hours, or on LOW for 3 1/2 to 4 hours, until the top is set and the filling is bubbling around the edges.
Step 6: Rest and Serve
Turn off the slow cooker and let the dessert rest for 10 to 15 minutes. Spoon into bowls and serve warm.
How to Serve Lemon Citrus Treat
This bright, tangy dessert is delicious on its own, but a few accompaniments make it even better.
With Vanilla Ice Cream: A classic pairing.
With Whipped Cream: A dollop of whipped cream adds lightness.
With Fresh Berries: Serve with strawberries or blueberries.
With Fresh Mint: Garnish with mint leaves.
With a Dusting of Powdered Sugar: Add a light dusting.
Variations & Tips
Make It with Lime Filling: Use lime pie filling instead of lemon.
Make It with Cherry Filling: Use cherry pie filling.
Make It with Orange Zest: Use orange zest instead of lemon.
Make It with Cinnamon: Add cinnamon to the cake mix.
Make It with Nuts: Add chopped pecans or walnuts.
Make It with Coconut: Add shredded coconut.
Make It with Cream Cheese: Add dollops of cream cheese.
Make It Gluten-Free: Use gluten-free cake mix.
Make It Dairy-Free: Use dairy-free butter.
Pro Tips for Absolute Success
Do not stir the layers. They will combine as they cook.
Drizzle the butter evenly. This helps the topping crisp.
Let the dessert rest before serving. This allows it to set.
Frequently Asked Questions
Can I use a different filling?
Yes. Cherry, blueberry, or apple pie filling can be used.
Can I use a different cake mix?
Yes. White or vanilla cake mix can be used.
Can I use a different butter?
Yes. Salted butter can be used.
Can I make this ahead of time?
Yes. Reheat before serving.
Can I freeze this dessert?
Freezing is not recommended. The texture may change.
How long do leftovers last?
Store in the refrigerator for up to 4 days.
Why is my topping not crispy?
The butter was not evenly distributed. Drizzle evenly.
Why is my filling runny?
The dessert did not cook long enough. Cook longer.
Can I add more lemon zest?
Yes. Use up to 2 tablespoons.
Can I use a different pan?
This recipe is designed for a slow cooker.
The Beauty of Slow Cooker Desserts
There is something deeply satisfying about a warm, tangy dessert that comes together with almost no effort. It is the kind of food that makes people happy. This lemon citrus treat is a celebration of all those things.
Keep lemon pie filling and cake mix in your pantry. Keep butter and lemons in your fridge. This recipe is the reason why.
Recipe Card
Prep Time: 10 minutes
Cook Time: 2 to 2 1/2 hours on HIGH or 3 1/2 to 4 hours on LOW
Rest Time: 10 to 15 minutes
Total Time: Approximately 2 to 4 hours
Yield: 8 servings