Use a double boiler by placing a bowl on top of a pot with water over medium high heat like shown in the video.
Add your chocolate, cannabis butter, vanilla extract and orange zest to the empty bowl and mix to incorporate.
Take the bowl of the heat and set aside.( you will not need any heat anymore from this point on)
Place your egg whites in a separate bowl.
Beat egg whites till you form white and stiff peaks, using an electric mixer or a whisk. And set aside.
Add your egg yolks in another separate bowl and add sugar. Mix to incorporate.
Add your chocolate cannabis mixture to the eggyolk mixture and slowly incorporate together using a spatula.
Once incorporated, sift in your flour, cocoa powder and add your pecan nuts.
Now add your fluffy white egg whites to the mixture and incorporate everything together using a spatula.
Line a baking pan with parchment paper and add your finished mixture to it.
Now bake for 60 min on 260F, and your brownies will be ready. Use a toothpick to see if your cake is cooked.