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- ½ cup brown sugar
- ¼ cup all-purpose flour
- 1 teaspoon ground cinnamon
Directions
- Preheat the oven to 350°F (175°C). Grease a 9-inch round cake pan or line it with parchment paper.
- In a medium bowl, whisk together the flour, sugar, baking powder, and salt.
- In a separate large bowl, beat the softened butter and cream cheese until smooth and creamy. Add the egg and vanilla extract, mixing until fully combined.
- Gradually add the dry ingredients to the wet ingredients, stirring just until incorporated. Do not overmix.
- Gently fold in the blueberries.
- Spread the batter evenly into the prepared cake pan.
- In a small bowl, combine the brown sugar, flour, and cinnamon to make the crumb topping. Sprinkle evenly over the batter.
- Bake for 30–35 minutes, or until a toothpick inserted into the center comes out clean and the topping is golden brown.
- Allow the cake to cool for at least 15 minutes before slicing and serving.
Optional Serving Ideas