In a medium bowl, mix your Condensed milk, 4tbsp cannabis butter, vanilla and cocoa powder and set aside.
In another bowl, whip your whipping cream till stiff.
Fold into your chocolate mixture with your whipping cream mixture using a spatula.
Freeze for at least 6 hours
In a medium bowl, mix together your cannabis butter with brown sugar using an electric hand mixer.
Add your egg and vanilla and mix again.
Now your flour, baking powder, baking soda and salt and mix again.
Fold in your white chocolate using a spatula.
Place your mixture in a floured baking tray and bake for 40 min on 220F.
Serve little chunks on your chocolate ice cream.