In a large mixing bowl, whisk together flour, baking powder, cinnamon, and salt.

In another bowl, combine yogurt, milk, egg, sugar, and vegetable oil until smooth.

Gently fold in grated apple into the wet mixture.

Gradually pour wet ingredients into the dry mixture and stir gently until just combined.

Preheat skillet over medium heat and grease lightly with vegetable oil.

Pour 1/4 cup of batter for each pancake, cooking until bubbles form, then flip.

Transfer pancakes to a plate and cover with a towel to keep warm.