Preheat oven to 350*F. Butter standard muffin tins. Combine unsweetened and semusweet chocolates and butter in top pan of double boiler and place over simmering water. Stir frequently until melted and smooth. Set aside to cool slightly. In small bowl stir and toss together flour, baking powder and salt; set aside. In another bowl combine the eggs, sugar, vanilla and coffee granules or powder. Beat until light and double in volume (a hand-held mixer is useful for this step). Beat in chocolate mixture and the the combined
Makes 12 standard muffins.