Lemon Blueberry Cake

This Lemon Blueberry Cake is fluffy, moist, and bursting with fresh blueberries! It’s a simple dessert recipe that’s perfect for spring and summer gatherings. Or any time you want a sweet treat!

Lemon Blueberry Cake on blue speckled plate lemons and cake in background

This cake is so easy to make and only requires a few simple ingredients. The batter comes together quickly and the cake bakes in just 30 minutes. The lemon flavor is subtle and pairs perfectly with the fresh blueberries.

Fresh Blueberry Cake Mix Cake

Fresh blueberry cake mix cake is so easy, you really can’t go wrong with this recipe! Seriously you need to whip this up when you want a delicious treat!!

❤️ Why You’ll Love This Recipe

  • Light and fresh flavor that your friends and family will love.
  • Uses store-bought cake mix to save you time in the kitchen.
  • Easy to make with only a few simple ingredients.
  • The perfect dessert for gatherings and potlucks.

🛒Ingredients

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  • white cake mix + ingredients from the back
  • lemon juice
  • lemon zest
  • blueberries
  • flour
  • powdered sugar
  • butter, softened
  • Vanilla Extract
  • Milk
  • Fresh lemon slices and blueberries for topping

**See the recipe card below for quantities.

Lemon Blueberry Cake with lemon slices and blueberries on top

🔪 How to Make Lemon Blueberry Cake

Making this cake is simple and straightforward. Follow the directions below and you will have a delicious cake in no time at all.

Step 1: Preheat the oven

Preheat your oven to 350 degrees. 

Step 2: Prepare your cake pans

Spray two 8-inch round cake pans with nonstick spray and set aside.

Step 3: Mix together the cake mix and ingredients on the box 

In a large bowl, whisk together the cake mix plus ingredients on the back of the box. 

Step 4: Add in lemon and mix well

Add in lemon zest and the juice of 1 lemon, and mix well. 

Step 5: Toss blueberries in flour

In a separate bowl, add the flour, and toss the blueberries into the flour. This can help keep the blueberries from sinking. 

Step 6: Shake off the extra flour

Shake off the excess flour and add the blueberries to the cake mix, and gently fold them in. 

Step 7: Pour the batter into the cake pans

Pour batter evenly between the cake pans. 

cake batter in cake pans

Step 8: Bake according to the directions on the box

Bake at 350 according to the time on the box, but also adding 2-3 extra minutes since we added the blueberries. A toothpick inserted in the center should come out clean (minus blueberry) when the cake is finished baking. 

Step 9: Cool the cake

Allow the cake to cool completely before frosting.

Step 10: Cream together butter and powdered sugar 

To make the frosting, in a large bowl use a hand mixer to mix together softened butter and powdered sugar until well incorporated. 

Step 11: Add in vanilla, milk, and lemon juice

Add vanilla, milk, and 1 tbsp. lemon juice, mix well until frosting forms and is well combined.  If the frosting is too thick, add milk, 1 tbsp. at a time, until it reaches the desired consistency. 

Step 12: Frost the cake

Frost the bottom layer of your cake, set the top layer on, and frost again, then top with fresh lemon slices and fresh blueberries.

close up of Lemon Blueberry Cake

📝Variations

Do you want to change up this recipe and make it your own? Here are some ways that you can do that!

  • Cake Mix: Use a vanilla cake mix instead of the white cake mix
  • Berries: Use raspberries or blackberries in place of the blueberries
  • Citrus: Swap out the lemon for another citrus fruit like lime or orange
  • Coconut: Add 1/2 cup of shredded coconut to the batter for a delicious tropical twist!

If you love lemon cake you may also enjoy this Lemon Icebox Cake recipe.

Lemon Blueberry Cake slice on blue plate with cake in background

🥄 Equipment

You only need a few basic kitchen tools to help you make this sweet and fruity cake.

  • 8-inch round cake pans
  • large bowl
  • whisk
  • measuring cup and spoon
  • lemon zester
  • medium bowl
  • large bowl
  • hand mixer

🥫 Storage

This cake can be stored at room temperature, and covered, for 3-4 days. If you want to keep it longer, store it in the refrigerator for up to 1 week.

You can also freeze this cake, frosted or unfrosted. Wrap it tightly in plastic wrap and store it in the freezer for up to 3 months. Let it thaw overnight in the refrigerator before serving.

💭 Tips

Here are a few tips to help you make this recipe perfectly:

  • Be sure to zest your lemon before juicing it. It is much easier to zest a lemon before you cut into it.
  • If you are using frozen blueberries, make sure to allow them to thaw and dry before you add them to the cake batter.
  • Do not overmix the cake batter. Mix it just until everything is combined.
  • Do not open the oven door while the cake is baking. Every time you open the door, heat escapes and can cause your cake to become overcooked or uneven.
  • For best results, use fresh berries that are in season.
  • Frozen berries can also be used, but they may cause the cake to be a little more moist.
  • To get perfectly smooth frosting, make sure all of your ingredients are at room temperature before you start mixing them together.
Lemon Blueberry Cake on board with whole lemons

⁉️ FAQ

Do you have questions about this Lemon Blueberry Cake recipe? Here are the answers to the most commonly asked questions.

What does lemon juice do to a cake?

Lemon juice just adds a little moisture and a lot of flavor to your cake.

How do you keep blueberries from sinking in a cake?

The best way to keep blueberries from sinking is to toss them in flour before you add them to the cake batter.

Can I use frozen blueberries in this recipe?

Yes, you can use frozen blueberries, but make sure they are thawed and dried first.

🍽 More Lemon Recipes

Do you enjoy lemon or blueberry, try these delicious recipes:

🧾Lemon Blueberry Cake Recipe

Want to make this recipe? Print the recipe card below, or pin this recipe, so you can find it later.

PIN IT!!

Lemon Blueberry Cake on plate and board
Lemon Blueberry Cake on blue speckled plate

Lemon Blueberry Cake

This Lemon Blueberry Cake is one easy dessert that'll make your taste buds happy! The lemon cake is light and fluffy, and delicious.
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Course: Dessert
Cuisine: American
Prep Time: 15 minutes
Cook Time: 20 minutes
Servings: 10 Servings
Calories: 435kcal
Author: Rob

Equipment

  • 8-inch round cake pans
  • large bowl
  • Whisk
  • measuring cup and spoon
  • lemon zester
  • medium bowl
  • large bowl
  • Hand mixer

Ingredients

  • 1 box white cake mix + ingredients from the back
  • Juice of 1 lemon + 1 tablespoon divided
  • 1 tablespoon lemon zest
  • 1 cup blueberries
  • 1 cup flour
  • 3 cups powdered sugar
  • ¾ cup butter softened
  • 1 teaspoon Vanilla Extract
  • 2 tablespoons Milk
  • Fresh lemon slices and blueberries for topping

Instructions

  • Preheat your oven to 350 degrees.
  • Spray two 8 inch round cake pans with nonstick spray and set aside.
  • In a large bowl, whisk together cake mix plus ingredients on the back of the box.
  • Add in lemon zest and the juice of 1 lemon, and mix well.
  • In a separate bowl, add the flour, and toss the blueberries into the flour. This can help keep the blueberries from sinking.
  • Shake off the excess flour and add the blueberries to the cake mix, and gently fold them in.
  • Pour batter evenly between the cake pans.
  • Bake at 350 according to the time on the box, but also adding 2-3 extra minutes since we added the blueberries.
  • A toothpick inserted in the center should come out clean (minus blueberry) when the cake is finished baking.
  • Allow the cake to cool completely before frosting.
  • To make the frosting, in a large bowl use a hand mixer to mix together softened butter and powdered sugar until well incorporated.
  • Add vanilla, milk, and 1 tbsp. lemon juice, mix well until frosting forms and is well combined.
  • If the frosting is too thick, add milk, 1 tbsp. at a time, until it reaches the desired consistency.
  • Frost your bottom layer of your cake, set the top layer on, and frost again, then top with fresh lemon slices and fresh blueberries.

Notes

Any nutritional data I provide is an approximation and actual dietary information can vary based on ingredients and proportion sizes

Disclaimer

Any nutritional data I provide is an approximation and actual dietary information can vary based on ingredients and proportion sizes.

Nutrition

Calories: 435kcal | Carbohydrates: 91g | Protein: 4g | Fat: 3g | Saturated Fat: 1g | Polyunsaturated Fat: 0.3g | Monounsaturated Fat: 1g | Trans Fat: 0.2g | Cholesterol: 2mg | Sodium: 380mg | Potassium: 88mg | Fiber: 1g | Sugar: 60g | Vitamin A: 43IU | Vitamin C: 2mg | Calcium: 142mg | Iron: 2mg

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