Ingredients 1 vanilla bean, split lengthwise 2/3 cup sugar 1/2 cup unsweetened cocoa powder 1/2 cup water Pinch of salt 3 cups whole milk 1 1/2 cups half and half 1 teaspoon vanilla extract 1 cup chilled whipping cream   Directions Using tip of small knife, scrape seeds from vanilla bean into processor; reserve bean. Add sugar to processor and…