12 slices, about 1/2-inch thick each 175 calories per slice

          Smooth peanut butter                    1/2 cup
          Sugar                                   1/2 cup
          Egg                                     1 large
          Water                                   1/2 cup
          Vanilla                                 1 teaspoon
          Biscuit mix                    1-3/4 cups

               1. Preheat oven to 350øF (moderate).
               2. Lightly grease 8-inch by 4-inch loaf pan.
               3. Beat peanut butter and sugar with an electric mixer at
                  medium speed until well blended--about 2 minutes.
               4. Mix egg, water, and vanilla thoroughly. Stir into
                  peanut butter mixture.
               5. Add biscuit mix and beat just until smooth.
               6. Pour into pan.
               7. Bake until toothpick inserted into center of loaf comes
                  out clean--about 40 minutes.