
For the Cookies:
30g chocolate, chopped
15g milk chocolate, chopped
180g unsalted butter, melted
1/2 cup sour cream
2 large eggs
1 1/2 teaspoons apple cider vinegar
1/2 teaspoon vanilla extract
1 tablespoon red food coloring
2 1/4 cups all-purpose flour
1 cup granulated sugar
1/4 cup unsweetened cocoa powder
2 teaspoons baking powder
1/4 teaspoon baking soda
1/2 teaspoon salt
For the Filling:
225g cream cheese, at room temperature
3 tablespoons unsalted butter, at room temperature
2 1/2 cups confectioners' sugar, sifted
1 vanilla bean, halved lengthwise and seeds scraped