2 Tablespoons cocoa
2 1/4 cups all-purpose flour
1/2 teaspoon baking soda
1/2 teaspoon baking powder
1/2 teaspoon salt
3 large eggs
1 cup sugar
1/2 cup Nutella
1/2 cup chocolate chips
1/2 cup hazelnuts (optional)
Preheat the oven to 350°F.
In a medium bowl, sift together the cocoa, flour, baking soda, baking powder and salt.
In a large bowl, beat the eggs until frothy.
Add the sugar and continue beating for about 2 minutes.
Stir in the Nutella.
Add the flour mixture to the egg mixture and stir until well combined.
Stir in the chocolate chips and hazelnuts (if using).
Flour your hands well and divide the dough into 2 or 3 logs; arrange on a parchment lined baking sheet.
Press the logs into rectangles approximately 1/2 inch thick.
Bake in the oven for about 20 minutes.
Remove from the oven.
Reduce oven heat to 300°F.
Using a serrated knife, cut the logs into 1/3-1/2 inch slices.
Arrange on a baking sheet and return to the oven.
Bake for about 10-12 minutes, then turn the biscotti over and bake for about 10-12 more minutes (depending on the thickness of your slices).