Preheat your oven to 350- degree
Star by cutting your apples into small dice. add 2 Tablespoons of sugar and a squeeze of lemon. Set aside while preparing the batter.
In a large bowl beat the eggs with the sugar until light and fluffy. Add the oil, vanilla and the juice and zest from one lemon mix until well combined.
Mix the baking powder and salt with the flour. add to the egg mixture, mix only until well combined. Then mix in the diced apples.
Grease an 8 inch springform pan, add the cake batter. Slice one unpeeled apple thin and line the top of the cake with the apples, sprinkle with 1 Tbsp. of sugar and bake in a pre heated oven for 35 to 40 minutes.
Let cool slightly before removing from the pan. Sprinkle with powder sugar.