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closeup image of blueberry coffee cake to show the texture of the iced crumble topping

Vegan Blueberry Coffee Cake

Rich, buttery coffee cake dressed up with fresh blueberries, a crispy crumble topping, and zingy lemon icing.
5 from 3 votes
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Prep Time: 15 minutes
Cook Time: 45 minutes
Total Time: 1 hour
Servings: 10 servings
Author: Sarah Sullivan

Ingredients

Crumb Topping

  • 5 tablespoons butter softened
  • 6 tablespoons packed brown sugar
  • 1/2 cup + 2 tablespoons all-purpose flour
  • pinch of salt*

Coffee Cake

  • 1 tablespoon flaxseed meal
  • 3 tablespoons water
  • 3/4 cup granulated sugar
  • 1/2 cup vegan butter melted and cooled
  • 1/2 cup vegan sour cream such as Simple Truth Organic Plant-Based Sour Cream Alternative
  • 3/4 cup unsweetened plant milk of choice
  • zest of 1 medium lemon
  • 2 teaspoons vanilla extract
  • 2 cups all-purpose flour
  • 1/2 teaspoon salt
  • 2 teaspoons baking powder
  • 1 1/2 cups fresh blueberries
  • 2 tablespoons flour

Lemon Icing

  • juice of 1 medium lemon
  • 2-3 tablespoons powdered sugar

Instructions

  • Combine flaxseed meal and water and allow to sit and thicken. Preheat oven to 375°F and grease a 9" springform pan. (You can also use a cake pan.)
  • In a small bowl, mix together all ingredients for the crumb topping. The mixture should be the texture of wet sand, sticking together when squeezed in your palm. If it's too runny you can add in an extra tablespoon or so of flour.
  • In a large bowl, whisk together flax mixture with butter, sour cream, milk, vanilla, and lemon zest.
  • Add flour, baking powder, sugar, and salt and stir until combined.
  • Toss fresh blueberries with flour. (This will prevent them from sinking in the batter.) Fold blueberries into batter gently, then pour into prepared springform pan.
  • Sprinkle crumb topping over the batter evenly. Bake for 40-45 minutes, until a toothpick or knife inserted into the center of the cake comes out clean.
  • Allow to cool completely before icing. Whisk together icing ingredients until smooth, then drizzle over coffee cake. Allow about 10 minutes for icing to set.

Notes

Depending on how salty your vegan butter is, you may need to add less salt. For Earth Balance baking sticks, I reduced to 1/4 teaspoon salt. If you are using unsalted butter, use the full amount.
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