How to make
Preheat the oven to 370°F (190 degrees). Grease a baking dish with the measurements of 12x8″ (30x20 cm).
Melt the chocolate with the butter in a water bath. Beat the eggs, sugar and vanilla in a separate bowl.
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.