Take wheat flour, cocoa powder, baking powder and salt in bowl.
Mix it nicely and keep it aside
Take butter and powdered sugar in a bowl
Cream butter and sugar together.
To this add all the dry ingredients and mix
Mix together to form a dough
Add the vanilla essence and mix together
Fold the chopped hazelnut and mix together
Line the baking tray with parchment paper
Take small ball and flatten them and arrange in baking trayddfd
Preheat the oven at 160°C and bake in the same temperature for 18-20 minutes till the sides brown.
Serve the delicious chocolate hazelnut cookies