1. Preheat oven to 350°F. Line an 8x8x2 or 10x6x2 pan with parchment paper, or grease pan with butter.
2. In a large mixing bowl, sift together flour, baking powder, salt and 1/2 cup sugar.
3. In a separate bowl, mix together egg, milk, and butter. Stir mixture gently into dry ingredients.
4. Pour batter 3/4 inch thick into baking pan. On top of batter, apple wedges in parallel rows.
5. Mix 1/2 cup sugar with cinnamon. Sprinkle over apples. Bake for about 25 minutes, or until apples are tender.