Lemon Blueberry Sheet Cake
Easy, quick, delicious – and perfect for everything from summer BBQs to tasty snacks! This Lemon Blueberry Sheet Cake is a delightful treat that showcases the bright flavors of lemon and the sweetness of blueberries. Whether you’re serving it at a family gathering or enjoying a slice with your afternoon tea, this cake is sure to impress.
Why You’ll Love This Recipe
- Quick to Prepare: With just 20 minutes of prep time, you can have this cake ready for the oven in no time.
- Delicious Flavor Combination: The tartness of lemon pairs perfectly with juicy blueberries, creating a refreshing dessert.
- Versatile for Any Occasion: Perfect for summer picnics, birthdays, or as an everyday snack.
- Easy to Serve: As a sheet cake, it’s simple to cut into pieces and serve, making it great for gatherings.
- Glazed for Extra Sweetness: A tangy lemon glaze adds a beautiful finish and extra flavor.
Tools and Preparation
Before you dive into making your Lemon Blueberry Sheet Cake, gather your tools. Having everything ready will make the process smooth and enjoyable.
Essential Tools and Equipment
- Stand mixer or hand mixer
- Mixing bowls
- Measuring cups and spoons
- Rubber spatula
- 9×13 baking dish
- Parchment paper
Importance of Each Tool
- Stand mixer or hand mixer: Helps achieve a light and fluffy batter by thoroughly creaming the butter and sugar.
- Mixing bowls: Essential for separating dry ingredients from wet ingredients before combining them.
- Parchment paper: Makes it easy to lift the cake out of the pan without sticking, ensuring a clean presentation.

Ingredients
To make this delightful Lemon Blueberry Sheet Cake, you’ll need the following ingredients:
Dry Ingredients
- 3 cups all-purpose flour
- 2 teaspoons baking powder
- 1/2 teaspoon baking soda
- 1 1/4 teaspoon salt
Wet Ingredients
- 1 cup butter (2 sticks), softened
- 1 1/2 cups granulated sugar
- Juice and zest of 2 lemons (about 1/4 cup lemon juice)
- 4 large eggs
- 1 cup buttermilk
- 2 teaspoons vanilla extract
Add-ins
- 1 1/2 cups fresh blueberries, tossed with 1 Tbs flour
Glaze
- 2 1/2 cups powdered sugar
- 1/3 cup lemon juice
How to Make Lemon Blueberry Sheet Cake
Step 1: Preheat the Oven
Preheat your oven to 350 degrees F. Grease a 9×13 baking dish and line it with parchment paper. The parchment should hang over the long sides of the pan; this will help you lift the cake out easily later.
Step 2: Prepare the Batter
In a medium mixing bowl, whisk together the dry ingredients—flour through salt—and set aside. In your stand mixer fitted with a paddle attachment (or using a hand mixer), cream together the softened butter and granulated sugar until light and fluffy. Then add in the eggs one at a time, followed by vanilla extract and buttermilk. Mix on low speed until just incorporated. Gradually add in the dry mixture until no streaks of flour remain. Finally, mix in the lemon juice and zest before gently folding in the blueberries using a rubber spatula.
Step 3: Bake the Cake
Pour the batter into your prepared baking dish. Bake for about 40-45 minutes or until a toothpick inserted comes out with moist crumbs. Once baked, allow it to cool completely in the pan. You can choose to lift it out for glazing or leave it in the dish.
Step 4: Add the Glaze
For your glaze, combine powdered sugar with lemon juice until smooth. Pour this glaze over your cooled cake. Allow it to set before garnishing with fresh fruit if desired. Slice up your delicious Lemon Blueberry Sheet Cake and enjoy!
How to Serve Lemon Blueberry Sheet Cake
Lemon Blueberry Sheet Cake is a delightful treat that suits any occasion, from casual gatherings to festive celebrations. Here are some creative ways to serve this delicious cake that will impress your guests.
With Fresh Berries
- Serve slices topped with additional fresh blueberries and raspberries for a burst of flavor and color. This adds a refreshing touch that complements the cake perfectly.
Accompanied by Whipped Cream
- Add a dollop of homemade whipped cream on each slice for an extra layer of creaminess. The lightness of the whipped cream enhances the cake’s texture, making every bite enjoyable.
Drizzled with Extra Glaze
- For those who love sweetness, drizzle some extra lemon glaze over the top just before serving. This adds an extra zing and makes the cake visually appealing.
Paired with Ice Cream
- Serve the cake with a scoop of vanilla or lemon ice cream for a classic dessert combination. The cold ice cream contrasts beautifully with the warm cake, creating a delightful experience.
As Part of a Dessert Platter
- Include slices of Lemon Blueberry Sheet Cake on a dessert platter alongside other treats like cookies or brownies. This variety makes for an inviting presentation at parties or gatherings.
How to Perfect Lemon Blueberry Sheet Cake
To ensure your Lemon Blueberry Sheet Cake turns out perfect every time, consider these helpful tips.
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Use Room Temperature Ingredients: Make sure your eggs and butter are at room temperature for better mixing and a lighter texture.
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Fresh Blueberries: Opt for fresh blueberries instead of frozen ones to avoid excess moisture in your batter. Tossing them in flour helps prevent them from sinking during baking.
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Don’t Overmix: Mix the batter just until combined to keep the cake tender and fluffy. Overmixing can lead to a dense texture.
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Check for Doneness: Use a toothpick inserted into the center to check if it’s done. It should come out with moist crumbs but not wet batter.
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Cool Completely: Allow the cake to cool completely before glazing. This ensures that the glaze sets properly without sliding off.
Best Side Dishes for Lemon Blueberry Sheet Cake
Pairing side dishes with Lemon Blueberry Sheet Cake can enhance your dessert experience. Here are some tasty options to consider:
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Fruit Salad: A light mix of seasonal fruits provides freshness and balances the sweetness of the cake.
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Cheese Platter: Offer a selection of cheeses like brie or goat cheese that complement the citrus flavors in the cake.
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Herbed Salad: A simple green salad with herbs adds a savory element that contrasts nicely with the sweetness of the sheet cake.
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Yogurt Parfait: Layer yogurt with granola and fruit for a creamy and crunchy side that pairs well with dessert.
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Chocolate Covered Strawberries: These add an elegant touch and offer a rich chocolate flavor that complements lemon well.
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Lemon Sorbet: A refreshing lemon sorbet can cleanse the palate between bites, enhancing your overall dessert experience.
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Almond Biscotti: These crunchy cookies make for an excellent accompaniment when dipped into coffee or tea after enjoying your slice.
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Mint Tea: A warm cup of mint tea can provide a soothing finish after savoring this delightful cake.
Common Mistakes to Avoid
Baking a Lemon Blueberry Sheet Cake can be simple, but there are common pitfalls. Avoid these mistakes for the best results!
- Skipping the zest: Not using lemon zest can result in a less flavorful cake. Always include it to enhance the lemony taste.
- Overmixing the batter: Mixing too much can lead to a dense cake. Stop mixing as soon as no flour streaks remain for a fluffy texture.
- Not preheating the oven: Baking in a cold oven will affect the cake’s rise and texture. Ensure your oven is fully preheated before placing the cake inside.
- Ignoring ingredient temperatures: Using cold butter or eggs can hinder proper mixing. Allow them to come to room temperature before you start baking.
- Underbaking or overbaking: A toothpick should come out with moist crumbs, not wet batter or completely dry. Keep an eye on baking time for perfect results.

Storage & Reheating Instructions
Refrigerator Storage
- Store leftover cake in an airtight container.
- It will stay fresh for up to 5 days in the refrigerator.
Freezing Lemon Blueberry Sheet Cake
- Wrap individual slices tightly in plastic wrap, then place them in a freezer-safe container.
- The cake can be frozen for up to 3 months.
Reheating Lemon Blueberry Sheet Cake
- Oven: Preheat to 350°F and warm for about 10-15 minutes.
- Microwave: Heat individual slices on low power for 20-30 seconds until warm.
- Stovetop: Place slices in a skillet over low heat with a lid for about 5 minutes.
Frequently Asked Questions
Here are some common questions about making Lemon Blueberry Sheet Cake:
Can I use frozen blueberries in my Lemon Blueberry Sheet Cake?
Yes, you can use frozen blueberries! Just toss them with flour before adding them to prevent sinking.
How do I make my Lemon Blueberry Sheet Cake more moist?
Ensure you’re using enough buttermilk and avoid overbaking. Adding some applesauce can also help maintain moisture.
Can I substitute other fruits in this recipe?
Absolutely! Feel free to use raspberries or strawberries instead of blueberries for a different flavor.
What’s the best way to store Lemon Blueberry Sheet Cake?
Store it in an airtight container in the refrigerator or freeze it wrapped tightly for longer storage.
How long does it take to bake my Lemon Blueberry Sheet Cake?
Baking typically takes about 40-45 minutes at 350°F, but always check with a toothpick for doneness.
Final Thoughts
This Lemon Blueberry Sheet Cake is easy to make and perfect for any occasion, from summer picnics to family gatherings. Its bright flavors and moist texture make it irresistible! Feel free to customize with different berries or add nuts for extra crunch!
Lemon Blueberry Sheet Cake
Savor the vibrant flavors of our Lemon Blueberry Sheet Cake, a delightful dessert that combines zesty lemon and sweet blueberries in a moist, fluffy cake. It’s perfect for any occasion—whether you’re hosting a summer BBQ, celebrating a birthday, or enjoying an afternoon snack with friends. With its easy preparation and beautiful presentation, this cake is sure to impress your guests and leave them asking for seconds. The tangy lemon glaze adds an extra touch of sweetness that complements the fruity goodness, making each slice irresistible.
- Prep Time: 20 minutes
- Cook Time: 45 minutes
- Total Time: 1 hour 5 minutes
- Yield: Serves approximately 12 slices 1x
- Category: Dessert
- Method: Baking
- Cuisine: American
Ingredients
- 3 cups all-purpose flour
- 2 teaspoons baking powder
- 1 cup butter (softened)
- 1 ½ cups granulated sugar
- Juice and zest of 2 lemons
- 4 large eggs
- 1 cup buttermilk
- 1 ½ cups fresh blueberries (tossed in flour)
- 2 ½ cups powdered sugar (for glaze)
Instructions
- Preheat the oven to 350°F (175°C). Grease a 9×13 baking dish and line it with parchment paper.
- In a bowl, whisk together the flour, baking powder, and salt. Set aside.
- In a stand mixer or using a hand mixer, cream the softened butter and sugar until light and fluffy. Add eggs one at a time, followed by buttermilk and vanilla extract.
- Gradually incorporate the dry ingredients until just combined. Mix in lemon juice and zest, then gently fold in blueberries.
- Pour the batter into the prepared baking dish and bake for 40-45 minutes or until a toothpick comes out clean.
- For the glaze, mix powdered sugar with lemon juice until smooth. Drizzle over cooled cake before serving.
Nutrition
- Serving Size: 1 slice (approximately 100g)
- Calories: 362
- Sugar: 38g
- Sodium: 210mg
- Fat: 15g
- Saturated Fat: 9g
- Unsaturated Fat: 5g
- Trans Fat: 0g
- Carbohydrates: 54g
- Fiber: 1g
- Protein: 4g
- Cholesterol: 57mg
