Glazed Blackberry Lemon Poppy Seed Loaf Recipe

What makes this recipe great

Customizable: Substitute different berries, swap milk varieties, or skip the glaze. The base batter is forgiving and welcomes a few simple swaps.

No mixer required: All mixing is done by hand with a whisk or spatula — no stand mixer or hand mixer needed.

Stunning swirl: The contrast between the lemon-poppy batter and the blackberry batter creates a beautiful marbled effect that’s visually impressive and naturally colored.

Ingredients you need

The ingredients below are grouped for convenience. Measure carefully for the best texture.

Dry

• 2 cups all-purpose flour
• 2 teaspoons baking powder
• 1/2 teaspoon kosher salt
• 1 tablespoon poppy seeds

Wet

• 1 pint fresh blackberries, rinsed
• 1/3 cup avocado oil (or neutral oil of choice)
• 1/2 cup all-natural maple syrup
• 1 teaspoon vanilla extract
• 2 tablespoons fresh lemon juice
• 1 tablespoon lemon zest
• 2 large eggs
• 1/3 cup + 3 tablespoons almond milk (or milk of choice), divided

Icing

• 1 tablespoon reserved smashed blackberries
• 1/2 cup powdered sugar
• 1 teaspoon lemon zest
• 1 tablespoon fresh lemon juice

How to swirl this loaf

Swirling is easy and creates a dramatic finish. After you prepare the batter, divide it evenly into two bowls. Mash the blackberries with a fork or spoon and add the smashed berries to one bowl of batter. That portion will turn a lovely purple.

To the plain bowl, add the remaining 3 tablespoons of milk to keep the moisture consistent between both batters. Then use a large cookie scoop or ladle to layer alternating scoops of the lemon-poppy batter and the blackberry batter into a parchment-lined loaf pan. When baked, the layered batter produces a gorgeous marbled interior.

Easy ingredient swaps

• Almond milk: Swap 1:1 for any milk you prefer, including dairy or oat milk.
• Blackberries: Use strawberries, raspberries, or blueberries instead — smashed berries work the same way and lend their own color and flavor.
• All-purpose flour: If you need a gluten-free version, use a tested 1:1 gluten-free flour blend. Results will vary by brand.

Storage and freezer instructions

Store the loaf in an airtight container at room temperature for up to 3 days. Keep it in a cool, dark place to preserve freshness.

Freezing: For longer storage, freeze the loaf uniced. Allow it to cool completely, wrap tightly in foil, and freeze for up to 3 months. Thaw completely before adding the glaze or icing.

More bread recipes

• Chocolate Chocolate Chip Banana Bread
• Blueberry Banana Bread
• Healthy Chocolate Chip Carrot Cake Bread
• Easy Strawberry Banana Bread
• Cinnamon Swirl Bread
• Vanilla Pistachio Loaf

Blackberry Lemon Poppy Seed Loaf — Recipe Details

Author: Emily Richter

Prep: 15 mins | Cook: 50 mins | Total: 1 hr 5 mins | Servings: 9

Instructions

1. Preheat the oven to 350°F (175°C). Line a loaf pan with parchment paper.
2. In a large bowl, whisk together the dry ingredients: flour, baking powder, salt, and poppy seeds. Set aside.
3. Place the blackberries in a bowl and mash them with a fork or the back of a spoon until broken down. Reserve one tablespoon of the smashed berries for the icing; set that aside.
4. In a separate large bowl, whisk together the oil, maple syrup, vanilla, lemon juice, lemon zest, eggs, and 1/3 cup of milk until smooth.
5. Gradually add the dry ingredients to the wet ingredients and whisk until just combined. Do not overmix.
6. Divide the batter evenly between two bowls. Add the reserved smashed blackberries (except the 1 tablespoon held back) to one bowl and stir until the batter turns purple. To the other bowl, add the remaining 3 tablespoons of milk and stir to combine.
7. Using a large cookie scoop or ladle, add alternating scoops of each batter to the prepared loaf pan to create layers. Smooth the top lightly if needed.
8. Bake for 25 minutes, rotate the pan for even baking, then bake another 25 minutes or until a toothpick inserted in the center comes out with a few moist crumbs.
9. While the loaf cools, prepare the icing: mix the reserved tablespoon of smashed blackberries with the powdered sugar, 1 teaspoon lemon zest, and 1 tablespoon lemon juice until smooth. Drizzle over the cooled loaf.

Tips & notes

• Fresh blackberries were used for this loaf; raspberries or other berries can be substituted.
• Rotating the pan halfway through baking helps ensure even browning but is optional.

Nutrition (approximate)

Calories: 293 kcal • Carbohydrates: 46 g • Protein: 5 g • Fat: 10 g • Fiber: 4 g • Sugar: 20 g

Nutrition information is an estimate and should be used as a guideline only.