1 3/4 cups all-purpose flour
Preheat oven to 350°F . Lightly grease your cookie sheet.
In a separate bowl, whisk together the flour, baking powder and salt. Add to the egg mixture and beat until combined. Fold in banana, oil, and pistachio
Keep the dough in refrigerator for 10 minutes so will be easy to handle
Transfer the dough to your parchment lined baking sheet and form into a log, about 12 inches (30 cm) long and 3 1/2 inches (9 cm) wide. You may have to dampen your hands to form the log as the dough is quite sticky.
Makes about 16 biscotti.