Just eggs, greek yogurt, flour, sugar and baking powder 
This is the fluffiest cake we’ve ever madeIngredients4 egg yolks4 egg whites3 tbsp sugar400g Greek yogurt (10%)4 tbsp cornstarch1/2 tsp baking powder40g chocolate chipsStep-by-Step InstructionsMixing the Egg YolksBegin by separating the egg yolks from the whites. In a mixing bowl, combine the egg yolks with the sugar, baking powder, and cornstarch. Mix until well combined and the mixture is smooth. Then, gently fold in the Greek yogurt until evenly incorporated.Beating the Egg WhitesIn a separate clean bowl, beat the egg whites until stiff peaks form. This will help give your cake its light and airy texture.Combining the IngredientsCarefully fold the beaten egg whites into the yolk mixture, making sure not to deflate the egg whites. Once combined, gently stir in the chocolate chips for an extra indulgent touch.Baking the CakePreheat your oven to 170°C. Pour the cake batter into a greased baking dish and spread it out evenly. Bake in the preheated oven for about 1 hour, or until the cake is golden brown and a toothpick inserted into the center comes out clean.
