Rated 5 out of 5 stars by 3 voters.

By
Lynne Webb

This light and delicious lemon blueberry loaf cake highlights a timeless flavor pairing, where juicy fresh blueberries meet zesty lemons for a beautiful blend of sweet and tart in every slice. It’s an easy-to-make dessert perfect for any occasion, from breakfast to an afternoon treat.

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• 1 cup blueberries, washed, drained and patted dry
• 2 cups all-purpose flour
• 1/2 cup granulated sugar
• 2 teaspoons baking powder
• 1/4 teaspoon baking soda
• 1/4 teaspoon salt
• 1 large egg
• 1/3 cup canola oil
• 3/4 cup whole milk
• 1/4 cup frozen lemonade concentrate, thawed
• Zest of 1 lemon
• 1 tablespoon coarse sugar for decorating, optional

For the Glaze:

• 2 tablespoons confectioners’ sugar
• 1 teaspoon freshly squeezed lemon juice

1. Preheat your oven to 350°F (175°C). Lightly grease a standard loaf pan (typically 8-1/2″ x 4-1/2″ or 9″ x 5″) with butter or baking spray. This step ensures your cake won’t stick and will release easily after baking.
2. In a small bowl, place the washed, drained, and patted dry blueberries. Add 1 tablespoon of the measured all-purpose flour and gently stir until all the blueberries are thoroughly coated. This flour coating is a crucial step to prevent the blueberries from sinking to the bottom of the cake during baking, ensuring even distribution. Set aside.
3. In a large mixing bowl, whisk together the remaining all-purpose flour, granulated sugar, baking powder, baking soda, and salt. Ensure these dry ingredients are well combined to allow for even leavening and flavor distribution in the cake.
4. In a separate medium-sized bowl, whisk together the large egg, canola oil, whole milk, thawed frozen lemonade concentrate, and the fragrant zest of one lemon. Whisk until the mixture is light and slightly frothy, indicating all the wet ingredients are well emulsified.
5. Pour the wet ingredients mixture into the bowl containing the dry ingredients. Using a rubber spatula, gently combine the ingredients. Mix just until all the dry ingredients are incorporated and no streaks of flour remain. Be careful not to overmix, as overmixing can develop the gluten in the flour, leading to a tough, dense cake.
6. Carefully fold the flour-coated blueberries into the batter. Mix just enough to distribute them evenly throughout the batter. Transfer the prepared batter into your greased loaf pan. For an extra touch of texture and visual appeal, sprinkle the top of the batter with coarse sugar, if desired.
7. Bake in the preheated oven for 45 to 50 minutes. The cake is done when its top is beautifully golden brown, and a wooden toothpick inserted into the center comes out clean, free of wet batter.
8. Once baked, remove the loaf cake from the oven and allow it to cool in the pan for about 10 minutes. This crucial resting period allows the cake to firm up slightly before you attempt to remove it. After 10 minutes, carefully invert the pan to turn the cake out onto a wire cooling rack to cool completely.
9. While the cake is cooling, prepare the glaze. In a small bowl, combine the confectioners’ sugar and the freshly squeezed lemon juice. Stir vigorously until the mixture is smooth and free of lumps, achieving a pourable consistency. If the glaze is too thick, add a tiny bit more lemon juice; if too thin, add a touch more confectioners’ sugar.
10. Once the loaf cake has cooled completely to room temperature (this is important to prevent the glaze from melting), brush the prepared lemon glaze generously over the top of the cake. Allow the glaze to set for a few minutes before slicing into delightful portions and serving. Enjoy the perfect blend of sweet and tart!

Preventing Sinking Blueberries: The Flour Trick

COAT BLUEBERRIES IN FLOUR: Blueberries are naturally quite dense, which often causes them to sink to the bottom of baked goods during the baking process. A simple yet effective trick is to lightly toss them in a tablespoon of flour before incorporating them into the batter. This light coating helps the blueberries adhere to the batter and ensures they remain suspended, resulting in a beautiful and even distribution of fruit throughout your delicious loaf cake.

Choosing the Right Loaf Pan for Perfect Shape

CHOOSE THE RIGHT LOAF PAN: The size of your loaf pan can affect the baking time and the final appearance of your cake. While an 8-1/2″ x 4-1/2″ loaf pan is ideal for a taller, classic loaf shape, a 9″ x 5″ pan can also be used. If you opt for the larger 9″ x 5″ pan, your loaf cake may not be quite as tall, and it might bake slightly faster. Remember to adjust your baking time accordingly and begin checking for doneness with a toothpick after about 40 minutes, rather than the recommended 45-50 minutes for a smaller pan.

Ensuring an Easy Release: Always Grease Your Pan

GREASE YOUR LOAF PAN: Even if you are using high-quality non-stick bakeware, it is always a good practice to grease your loaf pan thoroughly before adding the batter. A light coating of butter, shortening, or baking spray will create a barrier that prevents the loaf cake from sticking to the pan. This simple step makes it significantly easier to remove the cake in one piece after baking, preserving its beautiful shape and preventing frustration.

The Importance of Room Temperature Ingredients

ROOM TEMPERATURE INGREDIENTS: For the best baking results, it’s highly recommended to bring all your refrigerated ingredients, such as eggs and milk, to room temperature before you begin mixing. Room temperature ingredients emulsify more effectively, creating a smoother, more uniform batter. This consistency leads to a better rise and a more tender, evenly baked loaf cake with a finer crumb texture.

Patience is a Virtue: Let Your Cake Cool Completely

LET IT COOL COMPLETELY: It can be incredibly tempting to slice into a warm, freshly baked lemon blueberry loaf cake, but exercising patience is key. Allow your cake to cool completely on a wire rack before attempting to slice it. Cooling allows the cake’s internal structure to set properly, preventing it from crumbling or collapsing when cut. This also ensures the glaze adheres beautifully without melting or running off, giving you clean, perfect slices.

Storing Your Delicious Loaf Cake

STORAGE TIPS: To keep your lemon blueberry loaf cake fresh and moist, store it at room temperature in an airtight container for up to 3-4 days. For longer storage, you can freeze individual slices or the entire loaf (unglazed) for up to 2-3 months. Wrap it tightly in plastic wrap and then in aluminum foil to prevent freezer burn. Thaw at room temperature and glaze before serving.

Flavor Variations to Try

CREATIVE VARIATIONS: Feel free to experiment with this recipe! You can add 1/2 teaspoon of vanilla extract to the wet ingredients for an extra layer of flavor. For a different citrus twist, try substituting lime zest and juice for the lemon. You could also fold in a handful of chopped nuts like pecans or walnuts for added crunch, or sprinkle some streusel topping over the batter before baking for a classic coffee cake feel.

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