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Blueberry Coffee Cake

This blueberry coffee cake is a favorite at our house. It is great for breakfast or dessert!
4.5 from 2 votes

Ingredients
  

For the Cake:

  • 2 cups all-purpose flour
  • 1 1/2 teaspoons baking powder
  • 1 teaspoon baking soda
  • 1/2 teaspoon salt
  • 1/2 teaspoon ground cinnamon
  • 1 cup granulated sugar
  • Zest of 1 large lemon
  • 1/2 cup unsalted butter at room temperature
  • 2 large eggs
  • 1 teaspoon vanilla extract
  • 1 cup plain Greek Yogurt
  • 1 cup blueberries fresh or frozen

Streusel Filling and Topping:

  • 3/4 cup all-purpose flour
  • 3/4 cup packed brown sugar
  • 1/2 teaspoon ground cinnamon
  • 1/2 stick cold unsalted butter

Instructions
 

  • Preheat the oven to 350°F. Grease an 8-inch square baking pan and set aside.
  • In a medium bowl, whisk together the flour, baking powder, baking soda, salt, and cinnamon. Set aside.
  • In a small bowl, combine granulated sugar and lemon zest. Rub together with your fingers until fragrant. Using an stand mixer, cream together the butter and sugar mixture until fluffy, about 3 minutes. Add in the eggs, one at a time, beat until smooth. Beat in the vanilla extract and Greek yogurt. Mix until well combined.
  • Slowly add in the dry ingredients. Mix until just combined. Gently fold in the blueberries.
  • To make the streusel topping and filling, place the flour, brown sugar, and cinnamon in a medium bowl and stir well with a wooden spoon. Work the butter into the mixture with your fingertips until evenly distributed.
  • Pour half of the coffee cake batter into the prepared cake pan, the batter will be thick. Sprinkle half of the streusel topping/filling over the cake batter. Spoon the remaining batter over the filling, spreading gently. Sprinkle with the remaining streusel.
  • Bake until golden and a toothpick inserted in the center comes out clean, about 45 minutes. Cool to room temperature. Cut into squares and serve.
  • Note-you can replace the Greek yogurt with sour cream, if desired. Fresh or frozen blueberries work well in this recipe.