Peel watermelon, remove seeds. Puree melon, 2 tablespoons of sugar, 50 ml passion fruit juice, lime juice and zest and tequila. Fill into a box form and freeze for about 4 hours, stirring at intervals. In the meantime peel the honeydew melon and dice it roughly. Puree with 100 ml passion fruit juice and 3 tablespoons sugar.
Freeze for 1 hour. Stir quark smooth and stir in. Line the bottom of a rectangular springform pan (23 x 23 cm) with waffles. Cut the waffles a little bit into shape. Spread honeydew melon mixture on top. Cover with waffles again and freeze for about 2 hours. Spread watermelon sorbet on top and freeze again for 1 hour. Cut the cake into pieces with a knife dipped in hot water. Drizzle with raspberry sauce.
Spread honeydew melon mixture on top. Cover with waffles again and freeze for about 2 hours. Spread watermelon sorbet on top and freeze again for 1 hour. Cut the cake into pieces with a knife dipped in hot water. Drizzle with raspberry sauce. Serve decorated with watermelon corners
waiting time approx. 7 hours