1Mix margarine, sugar and vanilla in food processor. Add eggs. In a separate bowl mix 2½ teaspoons baking powder with 2½ cups flour. Add the flour mixture to the wet mixture and mix until dough forms.
2Roll out dough on a lightly floured surface to 1/8 inch thickness. Cut circles with a small cup and drop 1/2 teaspoon Nutella into the center. Bring the dough up around the filling and press the three ends together forming a triangle.
3Bake at 375 degress on a well greased cookie sheet for 10 to 15 minutes. Optional: brush hamantashen with egg wash before baking for a more golden color.