How to cook
Preheat the oven to 374°F (190 degrees). Grease a baking dish with the measurements of 12x8″ (30x20 cm).
Add it carefully to the chocolate. Add the finely chopped dates, walnuts and flour.
Pour the mixture into a baking pan and bake for 30-40 minutes.
Leave the brownie to cool and sprinkle it with powdered sugar.