Combine the softened butter with the powdered sugar and the salt.
Add the sour cream, chopped roasted walnuts, and cornstarch, mix.
Sift the flour and baking powder, mix until homogeneous.
Form balls and bake for 30 minutes at 160°C - fan mode.
For the glaze, we mix the melted chocolate and vegetable oil.
Add the chopped nuts, dip the cookies in the chocolate, put them in the fridge for 20 minutes, and enjoy with pleasure. Bon appétit!
