Place butter into a 12" cast iron frying pan and place in the oven to melt butter.
In a bowl combine the flour, baking powder, sugar, salt, milk and eggs and whisk to combine. or place in a blender and pulse a few times to combine.
Place the sliced apples into the bottom of the hot pan on top of the melted butter. Pour egg mixture over apples.
Work quickly so that the pan remains hot.
Combine sugar and cinnamon and sprinkle over the top of the egg mixture evenly.
Bake in oven for 20-25 minutes until golden brown.
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Notes
To make this gluten free and dairy free, use gluten free flour and almond milk.Pour pancake mixture into a hot pan for best results.Use a variety of colors of apples for added interest. Our favorite apples are Gala, Honey Crisp and Granny Smith.