Creamy Apple Cake with Milk and Yogurt

5 Apples
1 Lemon Juice
160 g Sugar (+ 1 tablespoon for the apples)
2 Eggs
130 g Flour
300 ml Milk
125 ml Yogurt
1 Sachet Baking Powder
Vanilla Icing Sugar to taste
70 ml Sunflower Seed Oil
Preparation
Preparation of the Apples: