Combine the minced Baci and butter; melt in the top of a double boiler or in the microwave. Once melted, add the sugar, flour and the eggs, mixing well, add the baking powder; stir to combine. Pour the mixture into 4 cupcake paper molds. Cook at 325 degrees F for 30 minutes. Remove and allow to cool slightly. Top with a spoon of whipped cream and serve. Makes 4 servings.