In a mixing bowl, combine flour, baking powder, cinnamon, and sugar.

In another bowl, whisk together milk and egg.

Pour the wet ingredients into the dry ingredients and mix until just combined.

Fold in the diced apples.

Heat oil in a frying pan over medium heat.

Drop spoonfuls of the batter into the hot oil.

Fry until golden brown on both sides, about 3-4 minutes per side.

Remove from oil and drain on paper towels.