Lemon Blueberry Pound Cake Squares

Name: Lemon Blueberry Pound Cake Squares
Prep time: 15 min
Cook time: 45 min
Total time: 1 h
Yield: 12 squares
Ingredients: 1 cup unsalted butter, softened; 2 cups granulated sugar; 4 large eggs; 2 cups all-purpose flour; 1 tsp baking powder; 1/2 tsp salt; 1/4 cup lemon juice; Zest of 2 lemons; 1 cup fresh blueberries, plus extra for garnish; 1/2 cup powdered sugar (for glaze)

Highlighted under: Everyday Baking Ideas

I love the bright, zesty flavor of lemon combined with juicy blueberries, especially in this pound cake recipe. It brings a perfect balance of sweetness and tartness that’s refreshing and indulgent at the same time. The texture is incredibly moist and buttery, making it the ideal treat for a sunny afternoon or a special gathering. As I bake this cake, I always look forward to how the aromas fill my kitchen, inviting everyone to come and share in the deliciousness. Trust me, you won't be able to resist a second slice!

Created by

Megan Scott

Last updated on 2026-03-05T05:17:53.668Z

Baking Lemon Blueberry Pound Cake Squares has become one of my favorite ways to celebrate the changing seasons. The combination of tart lemons and sweet blueberries is not only delicious but also visually appealing. I find that using fresh berries, rather than frozen, truly enhances the flavor and texture.

One tip I discovered is to toss the blueberries in a bit of flour before incorporating them into the batter. This prevents them from sinking to the bottom during baking, ensuring even distribution throughout the cake. It really makes a difference and keeps the presentation just as delightful as the taste!

Why You'll Love This Recipe

Bright and zesty lemon flavor paired with sweet blueberries
Incredibly moist texture that melts in your mouth
Perfectly cut squares for easy serving at gatherings or brunches

Perfecting the Pound Cake Texture

The key to achieving that incredibly moist texture in your Lemon Blueberry Pound Cake lies in the creaming process. Beat the softened butter and granulated sugar until the mixture is pale and fluffy, which usually takes about 3-5 minutes with a stand mixer. This step incorporates air into the batter, contributing to the cake's lift and tenderness. Be cautious not to overmix once you add the dry ingredients, as this can lead to a dense texture instead of the desired lightness.

Another crucial tip is to use room temperature ingredients, particularly the eggs and butter. I recommend taking the butter out of the fridge at least an hour before baking. Room temperature ingredients emulsify better, resulting in a smoother batter that helps produce an even crumb structure during baking. This can significantly affect the final texture of your cake.

Handling Fresh Blueberries

Fresh blueberries add not only bursts of flavor but also moisture to the cake. Ensure that you gently fold them into the batter to prevent any bursting before the cake goes in the oven. If you'd like to avoid the berries sinking to the bottom, coat them lightly in flour before adding them to the batter. This technique helps suspend the berries throughout the cake as it bakes, distributing that delicious blueberry flavor evenly.

If fresh blueberries aren't available, you can substitute with frozen blueberries. Just keep in mind to use them directly from the freezer without thawing, as thawed berries can release too much moisture into the batter. Adjust the baking time slightly if necessary, checking for doneness with a toothpick a few minutes earlier.

Glazing and Serving Tips

After allowing the cake to cool slightly, the glaze enhances both the appearance and flavor of your Lemon Blueberry Pound Cake. For a simple glaze, mix powdered sugar with just enough lemon juice to create a smooth, pourable consistency. Drizzle the glaze over the cooled cake generously, allowing it to soak into the surface slightly for added flavor. If desired, sprinkle fresh blueberries or lemon zest on top for a beautiful presentation.

The squares can be served as is for a delightful dessert or enjoyed with a dollop of whipped cream or a scoop of vanilla ice cream for an indulgent treat. If you're planning to make the cake ahead of time, it's best to store it covered at room temperature for up to three days. You can also freeze individual squares, making them a handy option for later indulgence—just thaw them at room temperature before serving.

Ingredients

For the Cake

1 cup unsalted butter, softened
2 cups granulated sugar
4 large eggs
2 cups all-purpose flour
1 tsp baking powder
1/2 tsp salt
1/4 cup lemon juice
Zest of 2 lemons
1 cup fresh blueberries, plus extra for garnish
1/2 cup powdered sugar (for glaze)

Instructions

Preheat the Oven

Preheat your oven to 350°F (175°C). Grease and flour a 9x13-inch baking pan.

Cream the Butter and Sugar

In a large mixing bowl, cream together the softened butter and granulated sugar until light and fluffy.

Add Eggs and Flavorings

Beat in the eggs, one at a time, mixing well after each addition. Stir in the lemon juice and zest.

Combine Dry Ingredients

In a separate bowl, whisk together the flour, baking powder, and salt.

Mix Together

Gradually add the dry ingredients to the butter mixture, mixing until just combined. Gently fold in the blueberries.

Bake the Cake

Pour the batter into the prepared baking pan and smooth the top. Bake for 45-50 minutes or until a toothpick inserted into the center comes out clean.

Cool and Glaze

Let the cake cool in the pan for about 15 minutes before transferring it to a wire rack. Mix powdered sugar with a little lemon juice to create a glaze and drizzle over the cooled cake.

Pro Tips

For an extra burst of flavor, serve the squares with a dollop of whipped cream and additional lemon zest on top.

Ingredient Substitutions

If you're looking to cut down on sugar, consider replacing half of the granulated sugar with a sugar substitute that measures cup-for-cup, such as Stevia or erythritol. Just keep in mind that these substitutes can sometimes affect the flavor and texture, so choose one that you enjoy and test the batter taste if possible before baking.

For a dairy-free version, substitute the unsalted butter with a dairy-free butter alternative, and use a plant-based milk in place of regular milk if you wish to add it into the batter. Almond, oat, or coconut milk works well, although you may need to adjust the baking time slightly as these alternatives can vary in moisture content.

Make-Ahead and Storage

This Lemon Blueberry Pound Cake is a fantastic make-ahead option for gatherings. You can bake the cake up to two days in advance. Just wrap it tightly in plastic wrap to keep it moist and store it at room temperature. For longer storage, consider freezing the cake. Allow it to cool completely, then slice it into squares, wrapping each piece individually in plastic wrap and placing them in an airtight container or freezer bag for up to three months.

When you're ready to serve, remove the squares from the freezer and let them thaw in the refrigerator overnight or at room temperature for a few hours. Once thawed, feel free to give them a refreshing drizzle of glaze or a sprinkle of lemon zest to refresh their appearance and flavor.

Questions About Recipes

→ Can I use frozen blueberries?

Yes, but be sure to thaw and drain them well before adding to the batter to prevent excess moisture.

→ How should I store the cake?

Store the cake in an airtight container at room temperature for up to 3 days, or refrigerate for longer freshness.

→ Can I make this recipe gluten-free?

Absolutely! Substitute the all-purpose flour with a gluten-free blend that includes xanthan gum.

→ Can I make this cake ahead of time?

Yes! You can bake it a day in advance and glaze it just before serving.