Blueberry Cobbler

Bahan-bahan (6 porsi)

• 4 cups blueberries (fresh or frozen )
• 1 ¼ cups all purpose flour (divided)
• 1 ¼ cups granulated sugar (divided)
• 1 teaspoon baking powder
• ¼ teaspoon cinnamon
• 1 egg
• ¼ cup milk
• 2 tablespoons canola oil