Giant Cast Iron Blueberry Pancake

Ingredients (11)

• 1 1/2 cups all-purpose flour
• 2 teaspoons baking powder
• 1/2 teaspoon baking soda
• 2 teaspoons kosher salt
• 2 large eggs
• 1 1/3 cups buttermilk
• 1/4 cup maple syrup
• 1/4 cup butter, divided
• 1 cup fresh blueberries
• 1 lemon, zest only
• Maple syrup and butter, for serving