Grease the springform pan (26 cm Ø). Cream 125 g fat, sweetness, lemon peel and salt. Stir in the eggs one by one. Mix flour and baking powder, stir in briefly. Spread into the form. Bake in a hot oven (electric cooker: 175 °C/circulating air: 150 °C/gas: level 2) for approx. 25 minutes. Cooling down
Roast the grated coconut without additional fat until golden brown and let it cool down. Peel oranges so that the white skin is removed. Cut out the fillets between the parting skins, collecting the juice. Squeeze the parting skins. Prick the bottom more often with a wooden skewer. Sprinkle with orange juice.
Mix the quark and 1 tbsp. grated coconut. Season to taste with sweetener. Whip cream until stiff, fold in. Spread cake with quark cream. Sprinkle 2 tbsp. grated coconut on the edge of the cake. Decorate cake with orange fillets and coconut chips or shavings