harvest mangosteen fruit and process it into mangosteen skin cake

Recipe for Mangosteen Skin Dry Cookies (Queen Fruit Cookies): . 180 g wheat flour . 30 g cornstarch . 70 g granulated sugar (flour sugar is better) . 100 g butter / margarine . 1 tsp baking powder . 1 egg yolk . 50 g mangosteen peel . 1 tbsp lemon / lime juice . You can use chocho chip topping