Instructions: Mix Dry Ingredients: In a large mixing bowl, whisk together the flour, sugar, baking powder, baking soda, ground cinnamon, and salt.
Prepare Apple: Peel, core, and finely chop the apple.
Combine Wet and Dry Ingredients: Pour the wet ingredients into the dry ingredients and stir until just combined. Do not overmix; it's okay if there are a few lumps.
Cook Pancakes: Preheat a griddle or non-stick skillet over medium heat and grease with butter or oil. Pour about 1/4 cup of batter onto the griddle for each pancake. Cook until bubbles form on the surface of the pancake and the edges look set, about 2-3 minutes.
Flip Pancakes: Carefully flip the pancakes with a spatula and cook for an additional 1-2 minutes, or until golden brown and cooked through.
Serve: Serve the pancakes warm with additional chopped apples, a sprinkle of cinnamon, and maple syrup.