Baking & Desserts Lemon Blueberry Loaf Cake

Highlighted under: Cakes & Sweet Treats

We absolutely adore this Lemon Blueberry Loaf Cake! Its bright flavors and moist texture create the perfect balance between tart and sweet, making it an irresistible treat for any time of day. I love baking this loaf not just for its deliciousness but also for how simple it is to prepare. The fresh blueberries and zesty lemon add a refreshing twist that elevates any occasion, from afternoon tea to dessert after a family dinner. Trust me, once you try it, you'll find yourself coming back for more!

Noelle Chambers

Created by

Noelle Chambers

Last updated on 2026-01-26T23:05:38.545Z

When I first set out to make this Lemon Blueberry Loaf Cake, I wanted to combine two of my favorite flavors in a way that felt harmonious. After several trials, I discovered that the key was to use fresh blueberries and a splash of lemon juice alongside zest for an invigorating punch. This method not only allows the flavors to shine but also keeps the cake moist, which is essential for a loaf cake.

The addition of sour cream brought an extra richness that I hadn't expected. I love how it results in a wonderfully tender crumb. Each slice is like a little piece of sunshine, and I often find myself making it when I need a boost of happiness in my day!

Why You'll Love This Recipe

  • Bright and refreshing flavors that wake up your taste buds
  • Moist and tender texture makes it irresistible
  • Perfect for breakfast or a delightful afternoon snack

The Importance of Fresh Ingredients

Using fresh blueberries is essential for achieving that burst of flavor in every bite of your Lemon Blueberry Loaf Cake. When selecting blueberries, look for those that are plump, firm, and free from any blemishes. Frozen blueberries can work in a pinch, but they may release more moisture during baking, which can alter the texture of the final cake. If you're using frozen, toss them in a bit of flour before folding them into the batter to absorb excess moisture and prevent them from sinking to the bottom.

Lemon zest and juice significantly enhance the cake's flavor profile. Freshly grated lemon zest brings a vibrant citrus aroma and a complex tartness that dried zests can't match. When juicing, be sure to choose lemons that feel heavy for their size, indicating high juice content. If you prefer a less intense lemon flavor, consider reducing the amount of lemon zest and juice by half, but be mindful that this will slightly alter the brightness of the loaf.

Baking Techniques for Success

Proper mixing is key when combining wet and dry ingredients for a light and airy texture. Avoid over-mixing the batter after adding the flour; mix until just combined. Overdoing it can result in a dense loaf because the gluten in the flour tightens with excessive handling. Similarly, when folding in the blueberries, be gentle to preserve their shape and avoid breaking them apart, which would color the batter and affect presentation.

I recommend using a kitchen thermometer to check your cake doneness accurately. Insert it into the center; the internal temperature should reach about 200°F (93°C). If you find the top is browning too quickly but the center is still raw, loosely tent the loaf with foil during the last 10-15 minutes. This will prevent over-browning while allowing the cake to finish baking beautifully.

Storage and Serving Suggestions

To store your Lemon Blueberry Loaf Cake, wrap it tightly in plastic wrap or foil and keep it at room temperature for up to three days. If you want it to last longer, it can be refrigerated for up to a week or frozen for up to three months. If freezing, slice the loaf and wrap individual pieces for quick access to a sweet treat anytime, allowing them to thaw at room temperature before serving.

For an elevated presentation, consider serving the loaf with a light dusting of powdered sugar or a simple glaze made from powdered sugar and lemon juice. Additionally, pairing it with a dollop of whipped cream or a scoop of vanilla ice cream brings a delightful contrast against the tartness of the lemon and blueberries, making it an enjoyable dessert experience.

Ingredients

For the Lemon Blueberry Loaf Cake

  • 1 ½ cups all-purpose flour
  • 1 teaspoon baking powder
  • ½ teaspoon baking soda
  • ¼ teaspoon salt
  • ½ cup unsalted butter, softened
  • 1 cup granulated sugar
  • 2 large eggs
  • 1 teaspoon vanilla extract
  • ½ cup sour cream
  • 1 tablespoon lemon zest
  • 2 tablespoons lemon juice
  • 1 cup fresh blueberries

Instructions

Preheat the Oven

Preheat your oven to 350°F (175°C). Grease and flour a 9x5-inch loaf pan.

Mix Dry Ingredients

In a bowl, whisk together the flour, baking powder, baking soda, and salt. Set aside.

Cream Butter and Sugar

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

Add Eggs and Flavor

Beat in the eggs, one at a time, then stir in the vanilla extract, lemon zest, and lemon juice.

Combine Ingredients

Gradually mix the dry ingredients into the wet mixture, alternating with the sour cream until just combined.

Fold in Blueberries

Gently fold in the fresh blueberries until evenly distributed.

Bake the Cake

Pour the batter into the prepared loaf pan and bake for 50 minutes or until a toothpick inserted in the center comes out clean.

Cool and Serve

Let the loaf cool in the pan for 10 minutes before transferring it to a wire rack to cool completely.

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Pro Tips

  • Store the loaf in an airtight container to maintain its moisture, and it can be enjoyed for up to five days. For an extra touch, drizzle a simple lemon glaze over the cooled cake for added sweetness.

Common Troubleshooting Tips

If your cake is too dry, it may be a result of overbaking or not enough moisture from the wet ingredients. Ensure that your oven temperature is accurate by using an oven thermometer and check the cake for doneness a bit earlier than the stated time to avoid drying it out. If you find it lacks moisture but has already been overbaked, consider serving it with a syrup or compote to add back some moisture.

On the other hand, if your cake is too dense or gummy, this could be due to overmixing or too much flour. Always measure your flour correctly—scooping directly from the bag can lead to packing, adding more than needed. Use the spoon and level method or a kitchen scale to ensure accuracy.

Variations to Try

If you want to experiment with flavors, consider adding a pinch of cardamom or cinnamon to the dry ingredients for a warm spice twist. This subtly enhances the lemon's brightness while introducing a warm undertone that complements the blueberries beautifully.

Another fun variation is to substitute the blueberries with other berries like raspberries, cranberries, or blackberries, adjusting the sugar level if necessary depending on the tartness of the fruit. Additionally, incorporating chopped nuts such as walnuts or almonds can provide a delightful crunch and contrast to the soft loaf.

Questions About Recipes

→ Can I use frozen blueberries?

Yes, just make sure to add them directly from the freezer without thawing for best results.

→ How can I make this cake vegan?

Substitute the eggs with a flax egg and use dairy-free butter and yogurt.

→ What can I do if my loaf doesn’t rise properly?

Ensure your baking powder and baking soda are fresh. Also, avoid overmixing once the dry ingredients are added.

→ Can I add nuts or other fruits?

Absolutely! Chopped walnuts or raspberries can be great additions to this cake.

Baking & Desserts Lemon Blueberry Loaf Cake

We absolutely adore this Lemon Blueberry Loaf Cake! Its bright flavors and moist texture create the perfect balance between tart and sweet, making it an irresistible treat for any time of day. I love baking this loaf not just for its deliciousness but also for how simple it is to prepare. The fresh blueberries and zesty lemon add a refreshing twist that elevates any occasion, from afternoon tea to dessert after a family dinner. Trust me, once you try it, you'll find yourself coming back for more!

Prep Time15 minutes
Cooking Duration50 minutes
Overall Time65 minutes

Created by: Noelle Chambers

Recipe Type: Cakes & Sweet Treats

Skill Level: Beginner

Final Quantity: 1 loaf

What You'll Need

For the Lemon Blueberry Loaf Cake

  1. 1 ½ cups all-purpose flour
  2. 1 teaspoon baking powder
  3. ½ teaspoon baking soda
  4. ¼ teaspoon salt
  5. ½ cup unsalted butter, softened
  6. 1 cup granulated sugar
  7. 2 large eggs
  8. 1 teaspoon vanilla extract
  9. ½ cup sour cream
  10. 1 tablespoon lemon zest
  11. 2 tablespoons lemon juice
  12. 1 cup fresh blueberries

How-To Steps

Step 01

Preheat your oven to 350°F (175°C). Grease and flour a 9x5-inch loaf pan.

Step 02

In a bowl, whisk together the flour, baking powder, baking soda, and salt. Set aside.

Step 03

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

Step 04

Beat in the eggs, one at a time, then stir in the vanilla extract, lemon zest, and lemon juice.

Step 05

Gradually mix the dry ingredients into the wet mixture, alternating with the sour cream until just combined.

Step 06

Gently fold in the fresh blueberries until evenly distributed.

Step 07

Pour the batter into the prepared loaf pan and bake for 50 minutes or until a toothpick inserted in the center comes out clean.

Step 08

Let the loaf cool in the pan for 10 minutes before transferring it to a wire rack to cool completely.

Extra Tips

  1. Store the loaf in an airtight container to maintain its moisture, and it can be enjoyed for up to five days. For an extra touch, drizzle a simple lemon glaze over the cooled cake for added sweetness.

Nutritional Breakdown (Per Serving)

  • Calories: 250 kcal
  • Total Fat: 10g
  • Saturated Fat: 6g
  • Cholesterol: 50mg
  • Sodium: 140mg
  • Total Carbohydrates: 34g
  • Dietary Fiber: 1g
  • Sugars: 16g
  • Protein: 3g