Quark Souffle with Balsamic Cherries

Name: Quark Souffle with Balsamic Cherries
Ingredients: 500 grams Quark; 45 grams Butter; 45 grams Pastry flour; 150 milliliters Milk; 4 Egg whites; 3 Egg yolks; zest Lemons (1/2 lemon); 35 grams Sugar; 1 Vanilla bean (cut in half and scraped); something Butter (for the pan); something Sugar (for the pan); Powdered sugar (for dusting); 500 grams Sour cherry; 100 grams Sugar; 1 teaspoon Butter; 5 tablespoons Balsamic vinegar; 100 grams Mascarpone; 100 grams Creme fraiche cheese; 2 teaspoons Powdered sugar