Preheat oven to 425 degrees. Butter baking ramekins and dust with cocoa powder. Set aside. Microwave butter, and bittersweet chocolate together for 15 seconds. Stir. Repeat every 15 seconds until melted. Mix eggs, sugar and ADAMS BEST together. Combine the chocolate and egg mixtures. Pour into ramekins and bake for 10 to 12 minutes. After baking dust with powdered sugar.