How to make pot brownies with dark chocolate

Ingredients:

-7 ounces (200g) of dark chocolate
-5 ounces (125g) of fat butter (do not replace with margarine)
-7 ounces (200g) of powdered sugar
-two tablespoons of flour
-one tablespoon of granulated sugar
-7 ounces (200g) of  nuts
-four eggs
-flavorings (vanilla, lemon or orange peel)
5-10 grams of weed

Preparation:

-Put the butter in a hot double layer steamer pan. When the butter has melted, add the fine ground weed. Mix until homogeneous, then add the chocolate and mix until it melts and blends with the resulted cannabutter.  
-Put the pan aside and add the powdered sugar, flavorings, then one by one, add the eggs. Mix well using a whisk or an electric mixer at lowest speed.  
-Finally, add the flour, nuts (chopped into small pieces). Blend it all together.
-Pour the composition in a non stick pan.  
-Bake the cake at medium heat, for 20-25 minutes.