Ingredients:  5 cups stemmed and pitted fresh dark sweet or sour cherries (that’s about 2 pounds whole unpitted cherries)  3/4 cup (150 g) granulated sugar for sweet cherries, or 1 cup (200 g) for sour cherries  3 tablespoons cornstarch  ¼ teaspoon salt  2 tablespoons freshly squeezed lemon juice for sweet cherries , or 1½ teaspoons for sour cherries  Grated zest from 1/2 lemon  ½ teaspoon vanilla extract  ½ teaspoon Kirsch , optional […]