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A slice of blackberry cake with lemon glaze on a grey plate.

Easy Lemon Blackberry Cake with Lemon Glaze

Carissa Erzen
This fluffy, moist lemon blackberry cake is studded with fresh juicy blackberries, swirled with sweet blackberry jam, and drizzled with tart lemon glaze. It's the best light coffee cake for breakfast or an afternoon snack with coffee, or as an indulgent dessert.
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Prep Time 25 minutes
Cook Time 35 minutes
Total Time 1 hour
Course Dessert
Cuisine American, German
Servings 16 slices
Calories 221 kcal

Ingredients
  

Lemon Blackberry Cake

  • cups fresh blackberries (almost 1 pint; save any remaining berries for decorating)
  • 2 cups all purpose flour, plus 1 Tablespoon, divided
  • 1 teaspoon ground cinnamon
  • 1 teaspoon baking powder
  • ½ teaspoon baking soda
  • ½ teaspoon salt (use table salt or fine sea salt)
  • 8 Tablespoons unsalted butter, softened to room temperature (1 stick)
  • ½ cup granulated sugar
  • 1 Tablespoon lemon zest (from one large lemon)
  • 2 Tablespoons lemon juice freshly squeezed (from one large lemon)
  • 2 large eggs, at room temperature
  • 2 teaspoons vanilla extract
  • 1 cup milk, at room temperature
  • cup blackberry jam

Lemon Glaze

  • cups powdered sugar, sifted
  • teaspoons lemon zest (from half a large lemon)
  • 1 pinch salt
  • 1-2 Tablespoons lemon juice

Instructions
 

  • Preheat the oven to 350°F. Grease a 9-inch or 10-inch round springform pan or cake pan.
  • Wash the blackberries in a colander or sieve. Set them aside to air dry while you prepare the cake batter.
  • In a mixing bowl, whisk 2 cups of the flour with the cinnamon, baking powder, baking soda, and salt. Set aside.
  • In a separate large mixing bowl with a hand mixer or in the bowl of a stand mixer with the paddle attachment, beat the softened butter and granulated sugar until it is fluffy.
  • Add the lemon zest, lemon juice, eggs, and vanilla extract. Beat the mixture again to combine everything. (It’s okay if it looks split at this point; everything will come together once the dry ingredients are mixed in.)
  • Add the milk and mix just until it’s combined.
  • Add the dry ingredients into the wet ingredients and gently mix with a large spoon or spatula until you no longer see dry pockets of flour. Scrape the sides and bottom of the bowl to ensure everything is well mixed. Set aside.
  • In a small bowl, toss the blackberries in 1 tablespoon of flour. Add the coated blackberries to the cake batter, leaving any excess flour in the bowl. Gently fold them into the batter.
  • Spread the cake batter into the greased cake pan in an even layer. Dollop small spoonful’s of the blackberry jam on top, and use a knife to gently swirl the jam into the batter.
  • Bake for about 35 to 40 minutes, until a toothpick or knife inserted into the center of the cake comes out clean.
  • While the cake cools, make the glaze. Mix in the powdered sugar, lemon zest, salt, and one tablespoon of lemon juice. Mix in another teaspoon of lemon juice at a time until it’s still thick, but a drizzle-able consistency.
  • Remove the cake from the cake pan, then drizzle the glaze over the top, allowing it to drip down the sides. Slice & enjoy!

Notes

  • Storing: Since this cake is studded with berries, I recommend storing it in the fridge instead of at room temperature if you have leftovers after the first day. 
  • Frozen Berries: Fresh, ripe blackberries provide the best flavor and color in this cake. However, if you're substituting frozen blackberries, use your berries straight from the freezer (don’t thaw them). You’ll probably need to add a little extra bake time, and toss the frozen berries in two tablespoons of flour (instead of one) to help absorb the excess moisture they’ll release into the cake.

Nutrition

Serving: 1 sliceCalories: 221kcalCarbohydrates: 37gProtein: 3gFat: 7gSaturated Fat: 4gPolyunsaturated Fat: 0.4gMonounsaturated Fat: 2gTrans Fat: 0.2gCholesterol: 37mgSodium: 153mgPotassium: 85mgFiber: 1gSugar: 22gVitamin A: 264IUVitamin C: 6mgCalcium: 49mgIron: 1mg
Keyword coffee cake, lemon blackberry cake, lemon glaze
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