Table of Contents
Description
This easy keto blueberry dump cake is buttery, juicy, and deliciously low-carb. Make this simple sugar-free dessert with minimal effort!
Introduction
Craving a warm, fruity dessert without loading up on sugar and traditional flour? This Keto Blueberry Dump Cake is exactly the kind of easy treat to keep in your recipe collection.
It combines sweet-tart blueberries with a buttery, tender cake topping that turns beautifully golden in the oven. The best part? There is no complicated cake-making technique and no need to spend hours in the kitchen. Simply layer the ingredients, bake, and let your oven do most of the work.
This recipe is especially handy when you want a quick low-carb dessert for a family dinner, weekend treat, or last-minute gathering. The juicy blueberries create little pockets of fruity flavor underneath the rich, buttery topping, while a low-carb sweetener keeps the dessert keto-friendly.
Whether you’re following a keto lifestyle or simply trying to enjoy more sugar-free and low-carb recipes, this easy blueberry dessert is a wonderful option.
Serve it warm with a spoonful of whipped cream or a scoop of your favorite low-carb ice cream, and you have a cozy dessert that feels wonderfully indulgent. 🫐
Recipe Stat Sheet
| Recipe Detail | Information |
|---|---|
| Recipe Name | Keto Blueberry Dump Cake |
| Prep Time | 10 minutes |
| Bake Time | 35–45 minutes |
| Total Time | About 55 minutes |
| Servings | 10 |
| Difficulty | Easy |
| Cooking Method | Baking |
| Cuisine | American |
| Category | Dessert |
| Diet | Keto / Low-Carb |
| Main Flavor | Blueberry & Vanilla |
| Texture | Buttery, soft & fruity |
| Best Served | Warm or chilled |
Recipe Equipment
One of the reasons this recipe is so convenient is that you don’t need a lot of equipment.
You’ll need:
- 9×13-inch baking dish – gives the cake enough room to bake evenly.
- Mixing bowl – for preparing the topping.
- Rubber spatula – useful for spreading the mixture.
- Measuring cups and spoons – for accurate ingredients.
- Small saucepan – optional if you prefer to prepare the blueberry layer first.
- Whisk or fork – for mixing dry ingredients.
- Knife – for slicing butter if using chilled butter.
- Oven mitts – essential for safely removing the hot baking dish.
Ingredients
For the Blueberry Layer
- 3 cups fresh blueberries
- 2 tablespoons powdered keto sweetener
- 1 tablespoon lemon juice
- 1 teaspoon lemon zest
- 1 teaspoon vanilla extract
- 1 tablespoon cornstarch substitute or keto-friendly thickener, optional
For the Cake Topping
- 1½ cups almond flour
- ½ cup powdered keto sweetener
- 2 teaspoons baking powder
- ¼ teaspoon salt
- ½ teaspoon vanilla extract
- ½ cup unsalted butter, melted
- ¼ cup heavy whipping cream
- 1 large egg
Optional Toppings
- Sugar-free whipped cream
- Fresh blueberries
- Powdered keto sweetener
- Low-carb vanilla ice cream
- Lemon zest
- Chopped pecans
Ingredient Notes
Blueberries
Fresh blueberries work beautifully because they become soft and juicy while baking. Choose berries that are firm, plump, and naturally sweet.
Frozen blueberries can also be used. There is generally no need to thaw them first, although they may release a little extra liquid.
Almond Flour
Almond flour provides a tender, slightly nutty cake texture while keeping the recipe lower in carbohydrates than a traditional wheat-flour dessert.
Use fine blanched almond flour for the smoothest texture.
Keto Sweetener
Powdered erythritol, monk fruit blends, or another granulated low-carb sweetener can work well.
Sweeteners vary in sweetness, so adjust according to the product you use.
Butter
Butter gives the topping its rich flavor and helps create those delicious golden edges.
Unsalted butter is recommended so you can control the amount of salt in the recipe.
Lemon
Blueberries and lemon are a natural match. A little lemon juice and zest brighten the berry flavor without making the dessert taste strongly lemony.
How to Make Keto Blueberry Dump Cake
Step 1: Preheat the Oven
Preheat your oven to 350°F (175°C).
Lightly grease a 9×13-inch baking dish with butter or nonstick spray.
Set the dish aside while you prepare the blueberry mixture.
Step 2: Prepare the Blueberry Layer
Add the blueberries to a large bowl.
Sprinkle in the powdered keto sweetener, lemon juice, lemon zest, and vanilla extract. Gently toss everything together.
Be careful not to crush the berries. You want them to remain mostly whole so they create delicious juicy pockets as the cake bakes.
If your blueberries are particularly watery, add a small amount of keto-friendly thickener.
Step 3: Make the Cake Mixture
In a separate bowl, whisk together the almond flour, powdered keto sweetener, baking powder, and salt.
In another bowl, combine the melted butter, heavy cream, vanilla extract, and egg.
Slowly add the wet ingredients to the dry ingredients.
Stir until you have a thick, smooth batter. Don’t overmix—just combine everything until there are no obvious dry pockets.
Step 4: Assemble the Dump Cake
Spread the blueberry mixture evenly across the bottom of your prepared baking dish.
Spoon the cake batter over the berries.
Use a spatula to gently spread it across the surface. It doesn’t have to look perfectly smooth because the batter will spread and bake as it heats.
For an extra pretty finish, sprinkle a few additional blueberries over the top.
Step 5: Bake Until Golden
Place the baking dish in your preheated oven.
Bake for approximately 35–45 minutes, or until the topping is golden brown and cooked through.
The blueberries should look juicy and bubbling around the edges, while the cake topping should feel set and lightly golden.
If the top begins browning too quickly, loosely cover the dish with aluminum foil for the remaining baking time.
Step 6: Cool and Serve
Remove the casserole from the oven and let it cool for about 10–15 minutes.
This short resting period allows the blueberry juices to settle and the topping to firm slightly.
Serve it warm for the ultimate cozy dessert experience. 🫐💙
Serving Suggestions
This Keto Blueberry Dump Cake is delicious by itself, but a few simple additions can make it feel extra special.
Add Whipped Cream
Top each serving with sugar-free whipped cream for a light and creamy contrast to the warm fruit.
Serve With Low-Carb Ice Cream
A scoop of keto-friendly vanilla ice cream slowly melting over warm blueberry cake is hard to resist.
Add Fresh Berries
A few fresh blueberries on top provide a burst of freshness and make the dessert look beautiful.
Add Lemon Zest
A tiny sprinkle of fresh lemon zest adds color and bright citrus flavor.
Add Crunch
For additional texture, sprinkle chopped pecans or walnuts over the top before baking.
Pro Tips & Variations
For the best texture, use fine almond flour rather than coarse almond meal. If you’re using frozen blueberries, add them straight from the freezer and expect the dessert to need a few additional minutes in the oven.
For a stronger lemon-blueberry flavor, add another ½ teaspoon of lemon zest. You can also add a pinch of cinnamon for a warmer flavor.
Want more crunch? Sprinkle chopped pecans over the batter before baking.
For a coconut twist, replace a small portion of the almond flour with unsweetened shredded coconut.
Always allow the finished cake to rest before serving so the berry layer has time to thicken slightly.
Storage Information
Refrigerator
Allow the cake to cool completely before covering it.
Store leftovers in an airtight container or cover the baking dish tightly with plastic wrap or foil.
Refrigerate for up to 4 days.
Freezer
Individual portions can be frozen in freezer-safe containers for approximately 1–2 months.
For best results, thaw overnight in the refrigerator before reheating.
Reheating
Warm individual portions in the microwave for about 20–30 seconds at a time until heated through.
You can also reheat the cake in a 300°F oven until warm.
Estimated Nutrition Facts
Approximate nutrition per serving, assuming 10 servings:
- Calories: 300–330
- Protein: 7–8g
- Fat: 27–29g
- Total Carbohydrates: 11–14g
- Fiber: 4–5g
- Net Carbohydrates: Approximately 6–9g
Nutrition values are estimates only. Actual nutrition will vary depending on the blueberries, sweetener, dairy products, almond flour, and other brands used.
Frequently Asked Questions
Is blueberry dump cake keto?
This version is designed to be keto-friendly and lower in carbohydrates than traditional dump cake because it uses almond flour and a keto-friendly sweetener instead of regular flour and sugar.
However, blueberries still contain naturally occurring carbohydrates, so portion size matters when following a strict ketogenic diet.
Can I use frozen blueberries?
Yes. Frozen blueberries are convenient and work well. You can usually add them directly to the recipe without thawing.
Can I make this dessert ahead of time?
Absolutely. Prepare and bake the cake several hours before serving. Allow it to cool, cover it, and refrigerate if you’re preparing it well in advance.
Why is my cake topping soft?
A soft topping can result from excess moisture in the berries or underbaking. Let the cake bake until the topping is set and golden, then allow it to rest before serving.
Can I use another berry?
Yes. You can experiment with raspberries or blackberries. Keep in mind that different berries vary in sweetness, moisture, and carbohydrate content.
Why This Keto Blueberry Dessert Is Worth Making
Some desserts require multiple bowls, complicated techniques, and plenty of patience. This one doesn’t.
The beauty of Keto Blueberry Dump Cake is its simplicity. You get juicy berries, a buttery almond-flour topping, and plenty of comforting dessert flavor without spending your entire afternoon in the kitchen.
It’s perfect for weekend baking, family gatherings, summer dinners, or whenever you want something sweet without traditional refined sugar.
The contrast between the warm blueberry filling and golden topping makes every spoonful satisfying. Add whipped cream or low-carb ice cream, and you’ve got an easy dessert that looks and tastes much more complicated than it actually is.
Final Thoughts
If you’re looking for an easy keto dessert that brings together juicy blueberries and a buttery, golden topping, this recipe is a must-try. 🫐
This Keto Blueberry Dump Cake is simple enough for a weeknight treat but special enough to serve when guests come over.
Give it a try and make it your own with lemon zest, crunchy pecans, whipped cream, or your favorite low-carb topping.
If you make this recipe, leave a comment and let us know how it turned out. Don’t forget to share it with your friends and save it for your next keto dessert craving! ❤️