Blueberry Cake with Lemon Buttercream

Bahan-bahan (8 porsi)

• 1½ cups fresh blueberries ((or frozen, thawed and well-drained))
• 2 tablespoons all purpose flour
• 1 large egg
• ½ cup granulated white sugar
• 2 tablespoons butter, (softened)
• 1 teaspoon vanilla extract
• 1½ cups all purpose flour
• 2 teaspoons baking powder
• ¼ teaspoon salt
• 1 cup warmed milk
• ½ cup (1 stick) butter, (at room temperature)
• 1 cup powdered sugar, (sifted)
• 2 tablespoons fresh lemon juice
• 1 cup fresh blueberries, (rinsed and dried)