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 How To Make…