Blueberry Gooey Butter Cake

Blueberry Gooey Butter Cake

If you’re looking for the perfect summer dessert, this Blueberry Gooey Butter Cake is it. A soft lemon-blueberry cake base topped with an incredible vanilla gooey butter layer and swirls of homemade blueberry reduction. Serve it warm with vanilla ice cream and blueberry butter sauce, it’s buttery, gooey, bright, and packed with blueberry flavor.

What I love most about this recipe is the contrast of textures. The cake layer is soft and bursting with blueberry flavor, while the gooey butter topping stays rich, buttery, and perfectly spoonable. Add a scoop of melting vanilla ice cream and a drizzle of warm blueberry sauce, and every bite tastes just like summer.

Why You’ll Love This Recipe

• Packed with real blueberry flavor
• Easy to make ahead by preparing the blueberry reduction in advance
• Perfect balance of buttery, gooey, and fruity
• Incredible served warm with vanilla ice cream
• Great for summer gatherings, potlucks, and family dinners

What Is Gooey Butter Cake?

Gooey butter cake is a classic dessert known for its cakey bottom, and rich, buttery topping with a soft, almost custardy center. This version lets the blueberry flavor shine while still delivering that signature gooey texture.

The result is a dessert that’s somewhere between a cake, a bar, and a spoon dessert—and honestly, that’s exactly why I love it.

Ingredients You’ll Need

This recipe uses simple pantry staples along with frozen blueberries for the most consistent flavor and color.

You’ll need:

• Frozen blueberries
• Granulated sugar
• Lemon juice and lemon zest
• Butter
• Eggs
• Vanilla extract
• Flour
• Baking powder
• Heavy cream
• Powdered sugar

Make the Blueberry Reduction Ahead of Time

One of my favorite ways to make this recipe easier is to prepare the blueberry reduction a day or two ahead.

Simply cook the blueberries, sugar, lemon juice, and salt until thickened and reduced, then store it in an airtight container in the refrigerator. When you’re ready to bake, the hardest part of the recipe is already done.

This is especially helpful if you’re making the cake for a gathering or want to break the recipe into smaller steps.

The Secret to the Perfect Gooey Texture

Unlike traditional cake, gooey butter cake is supposed to have a soft center.

The blueberry cake layer gets a short par-bake before the gooey butter layer is added. This creates distinct layers and helps achieve that rich, spoonable texture without becoming overly dense.

When baking, look for set edges, a dry-looking surface, and a center that still wobbles slightly. The cake will continue setting as it cools.

More Gooey Butter Cake Recipes You’ll Love

If you’re a gooey butter cake fan, you’ll definitely want to try my Brown Sugar and Oat Gooey Butter Cake. It has the same rich, gooey texture but with warm brown sugar flavor and buttery oats in every bite.

• Brown Sugar and Oat Gooey Butter Cake

It’s one of my most popular dessert recipes and a favorite for everyone.

Frequently Asked Questions

Can I use fresh blueberries?

Yes. Fresh blueberries work well, though frozen blueberries provide the most consistent flavor and color year-round.

Can I make the blueberry reduction ahead of time?

Absolutely. The reduction can be made up to 3 days ahead and stored in the refrigerator until you’re ready to bake.

How do I know when the cake is done?

The edges should be set, the top should no longer appear wet, and the center should wobble slightly but not slosh.

How should I store leftovers?

Store covered in the refrigerator for up to 4 days. Reheat individual servings for 15–20 seconds before serving.

If you’re looking for a dessert that’s equal parts comforting and impressive, this Blueberry Gooey Butter Cake is the recipe to make. Between the soft lemon-blueberry cake, rich gooey topping, and warm blueberry butter sauce, every bite is packed with summer flavor.

And don’t skip the vanilla ice cream—it might just be the best part.

Blueberry Gooey Butter Cake

This Blueberry Gooey Butter Cake starts with a lemon-blueberry cake base, topped with a rich vanilla gooey butter layer and swirls of homemade blueberry reduction. Finished with a warm blueberry butter sauce and vanilla ice cream, it's the perfect summer dessert.

Print Recipe Pin Recipe

Prep Time 30 minutes mins

Cook Time 1 hour hr 5 minutes mins

Cooling Time 30 minutes mins

Total Time 2 hours hrs 5 minutes mins

Servings: 9 servings

Course: Dessert

Cuisine: American

Ingredients Equipment Method Notes

Ingredients

  

Blueberry Reduction

• 350 g 2½ cups frozen blueberries
• 75 g ⅓ cup granulated sugar
• 2 tsp lemon juice
• Pinch salt

Blueberry Lemon Cake Base

• 85 g 6 tbsp unsalted butter, melted
• 115 g ½ cup + 1 tbsp granulated sugar
• 1 tbsp lemon zest
• 1 large egg
• 1 tsp vanilla extract
• 90 g ¾ cup all-purpose flour
• ¾ tsp baking powder
• ¼ tsp kosher salt
• 45 g 3 tbsp milk
• 100 g about ⅓ cup blueberry reduction

Gooey Butter Layer

• 140 g 10 tbsp unsalted butter, melted
• 165 g ¾ cup + 1 tbsp granulated sugar
• 2 large eggs
• 1 large egg yolk
• 2 tsp vanilla extract
• 90 g ¾ cup powdered sugar
• 45 g ⅜ cup all-purpose flour
• ¼ tsp kosher salt
• 90 g 6 tbsp heavy cream

Blueberry Butter Sauce

• 100 g about ⅓ cup blueberry reduction
• 14 g 1 tbsp unsalted butter
• 15 –30g 1–2 tbsp heavy cream
• Pinch salt

For Serving

• Vanilla ice cream

Equipment

• 8×8-inch metal baking pan
• Parchment paper
• Medium saucepan
• Mixing bowls
• Whisk
• Rubber spatula
• Digital kitchen scale
• Butterknife
• Ice cream scoop

Method

 

Make the Blueberry Reduction

1. Add 350g (2½ cups) frozen blueberries, 75g (⅓ cup) granulated sugar, 2 tsp lemon juice, and a pinch of salt to a medium saucepan.
2. Cook over medium heat until the berries release their juices and begin bubbling, about 5–10 minutes.
3. Mash the berries well with a spoon or potato masher.
4. Reduce the heat to medium-low and simmer uncovered, stirring every 5 minutes, until the mixture reduces to approximately 275g.
5. The reduction should be thicker than a sauce but thinner than jam.
6. Cool completely.
7. Divide the reduction into:
8. 100g (about ⅓ cup) for the cake base
9. 75g (about ¼ cup) for swirling
10. 100g (about ⅓ cup) for the sauce

Make the Blueberry Lemon Cake Base

1. Preheat the oven to 325°F (163°C). Line an 8×8-inch metal baking pan with parchment paper.
2. In a large bowl, whisk together 85g (6 tbsp) melted butter, 115g (½ cup + 1 tbsp) sugar, and 1 tbsp lemon zest.
3. Whisk in 1 large egg and 1 tsp vanilla extract.
4. Add 90g (¾ cup) all-purpose flour, ¾ tsp baking powder, and ¼ tsp kosher salt and stir until combined.
5. Stir in 45g (3 tbsp) milk and 100g (about ⅓ cup) blueberry reduction until smooth.
6. Spread evenly into the prepared pan.

Par-Bake the Base

1. Bake the cake base for 18 minutes.
2. The center should no longer look raw but should not be fully baked.

Make the Gooey Butter Layer

1. In a medium bowl, whisk together 140g (10 tbsp) melted butter and 165g (¾ cup + 1 tbsp) sugar.
2. Add 2 large eggs, 1 large egg yolk, and 2 tsp vanilla extract and whisk until smooth.
3. Whisk in 90g (¾ cup) powdered sugar, 45g (⅜ cup) flour, and ¼ tsp kosher salt.
4. Stir in 90g (6 tbsp) heavy cream until fully combined.

Assemble

1. Remove the partially baked cake base from the oven.
2. Carefully pour the gooey butter layer over the base.
3. Dollop 75g (about ¼ cup) blueberry reduction across the surface.
4. Use a knife to gently swirl the reduction through the gooey layer, keeping most of the swirl in the top layer.

Bake

1. Return the pan to the oven and bake for 42–48 minutes.
2. The cake is done when:
3. The edges are set.
4. The top no longer appears wet.
5. The center wobbles slightly but does not slosh.

Cool

1. Allow the cake to cool for 30 minutes before serving.
2. Make the Blueberry Butter Sauce
3. Add 100g (about ⅓ cup) blueberry reduction, 1 tbsp butter, 1–2 tbsp heavy cream, and a pinch of salt to a small saucepan.
4. Warm over low heat until glossy and pourable.

Serve

1. Serve warm with vanilla ice cream.
2. Spoon the warm blueberry butter sauce over the top.

Notes

• Frozen blueberries provide the most consistent flavor and color.
• Reducing the blueberries to approximately 275g concentrates the flavor without making the mixture too thick.
• The blueberry reduction can be made up to 3 days ahead, making assembly even easier.
• An 8×8-inch metal pan creates the ideal gooey texture and thickness.
• For the best experience, serve warm with vanilla ice cream and blueberry butter sauce.

Storage

Store the cooled cake tightly covered in the refrigerator for up to 4 days.

Reheat individual servings in the microwave for 15–20 seconds before serving.

The blueberry reduction can be stored separately in an airtight container in the refrigerator for up to 3 days.