Makes about 1 quart INGREDIENTS 3 egg yolks ¾ cup Castor (superfine) sugar 3 cups half and half 3/4 teaspoon Cremodan-30 emulsifier* ¼ teaspoon fine grain sea salt 1 teaspoon pure vanilla extract 2 tablespoons unsweetened cocoa powder 2 ounces semisweet chocolate, finely chopped Chocolate shavings and mint sprigs, for garnish, if desired. *Cremodan-30 emulsifier…