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Preheat your oven to 350°F (175°C). Grease and flour an 8x8 inch baking pan, or line with parchment paper.

In a medium bowl, whisk together the all-purpose flour, baking powder, baking soda, and salt for the cake batter. Set aside.

In a large bowl, cream together the softened unsalted butter and granulated sugar until light and fluffy, about 2-3 minutes.

Add the large eggs one at a time to the butter and sugar mixture, mixing well after each addition until fully incorporated. Stir in the sour cream and vanilla extract until just combined.

Gradually add the dry ingredients mixture to the wet ingredients mixture, mixing on low speed until just combined. Be careful not to overmix.

In a small bowl, combine the granulated sugar and ground cinnamon for the cinnamon sugar mixture. Set aside.

In another small bowl, prepare the streusel topping by combining the all-purpose flour, light brown sugar, and ground cinnamon. Cut in the cold unsalted butter pieces using your fingers or a pastry blender until the mixture resembles coarse crumbs. Set aside.

Spread half of the prepared cake batter evenly into the bottom of the prepared 8x8 inch pan.
Evenly sprinkle the cinnamon sugar mixture over the first layer of batter.

Carefully spread the remaining cake batter on top of the cinnamon sugar mixture. It may be helpful to dollop spoonfuls of batter and gently spread them to avoid disturbing the cinnamon layer.

Evenly sprinkle the streusel topping over the second batter layer.

Bake the coffee cake in the preheated oven for 40-45 minutes, or until a wooden skewer inserted into the center comes out clean. The top should be golden brown.

Remove the cake from the oven and let it cool in the pan on a wire rack for at least 30 minutes before glazing.

While the cake cools, prepare the vanilla bean glaze. In a small bowl, whisk together the powdered sugar, milk, and vanilla extract until smooth. If the glaze is too thick, add a tiny bit more milk; if too thin, add a little more powdered sugar.

Once the cake has cooled sufficiently, drizzle or pour the prepared glaze over the top. Allow the glaze to set for a few minutes.

Slice and serve your Starbucks coffee cake copycat. Enjoy!


Preheat your oven to 350°F (175°C). Grease and flour an 8x8 inch baking pan, or line with parchment paper.

In a medium bowl, whisk together the all-purpose flour, baking powder, baking soda, and salt for the cake batter. Set aside.

In a large bowl, cream together the softened unsalted butter and granulated sugar until light and fluffy, about 2-3 minutes.

Add the large eggs one at a time to the butter and sugar mixture, mixing well after each addition until fully incorporated. Stir in the sour cream and vanilla extract until just combined.

Gradually add the dry ingredients mixture to the wet ingredients mixture, mixing on low speed until just combined. Be careful not to overmix.

In a small bowl, combine the granulated sugar and ground cinnamon for the cinnamon sugar mixture. Set aside.

In another small bowl, prepare the streusel topping by combining the all-purpose flour, light brown sugar, and ground cinnamon. Cut in the cold unsalted butter pieces using your fingers or a pastry blender until the mixture resembles coarse crumbs. Set aside.

Spread half of the prepared cake batter evenly into the bottom of the prepared 8x8 inch pan.
Evenly sprinkle the cinnamon sugar mixture over the first layer of batter.

Carefully spread the remaining cake batter on top of the cinnamon sugar mixture. It may be helpful to dollop spoonfuls of batter and gently spread them to avoid disturbing the cinnamon layer.

Evenly sprinkle the streusel topping over the second batter layer.

Bake the coffee cake in the preheated oven for 40-45 minutes, or until a wooden skewer inserted into the center comes out clean. The top should be golden brown.

Remove the cake from the oven and let it cool in the pan on a wire rack for at least 30 minutes before glazing.

While the cake cools, prepare the vanilla bean glaze. In a small bowl, whisk together the powdered sugar, milk, and vanilla extract until smooth. If the glaze is too thick, add a tiny bit more milk; if too thin, add a little more powdered sugar.

Once the cake has cooled sufficiently, drizzle or pour the prepared glaze over the top. Allow the glaze to set for a few minutes.

Slice and serve your Starbucks coffee cake copycat. Enjoy!
