Blueberry Buttermilk Breakfast Cake
Ingredients
- 2 cups fresh blueberries
- 2 cups all-purpose flour, divided
- 1 cup sugar, plus 1 tablespoon
- 1 large egg, room temperature
- 1/2 cup buttermilk
- 1/2 cup (1 stick) unsalted butter, softened
- 2 tablespoons lemon zest
- 2 teaspoons baking powder
- 1 1/2 teaspoon vanilla extract
- 1 teaspoon salt
- 1/2 teaspoon cinnamon, optional