Kue Mangkuk Lemon Blueberry

Bahan-bahan (12 porsi)

• 1 ¼ cups all-purpose flour
• ½ teaspoon baking powder
• ¼ teaspoon soda kue
• ¼ teaspoon garam
• 2 large telur
• 1 cup gula pasir
• ½ cup mentega tawar yang dilunakkan
• 1 ½ teaspoons ekstrak vanila
• ½ cup sour cream
• zest of 1 lemon
• 2 tablespoons air jeruk
• 1 cup blueberry
• 1 cup mentega tawar yang dilunakkan
• 2 ½ cups gula bubuk
• ¼ teaspoon ekstrak vanila
• 1 tablespoon air jeruk
• 1 tablespoon heavy whipping cream
• taburan kuning
• blueberry ekstra, (untuk topping)