Whip the quark with yoghurt, cream and sugar with a mixer or whisk. Rub the lemon peel and add the zest and juice. Open again. Mix the basil (amount to taste) into the mass and chop it up with a magic wand. Pour the mixture into the ice cream machine and, depending on the type, cool for 40 - 50 minutes. Can also be made in the freezer compartment, it is advisable to stir every 30 minutes, then the ice cream will be creamier. Portion ice cream and grain with basil leaves