In a small bowl, star by creaming the butter, the brown sugar, and the granulated sugar together. Add in the vanilla and the heavy whipping cream and mix again.
Add in the cooked and cooled flour, and a pinch of salt and mix well. Add in the chocolate chips or chunks, mix one last time and enjoy your fantastic edible cookie dough treat!
Notes
How to store your leftover brownie batter?
You can store this in the fridge in an airtight container for up to a week. Let it get back to room temperature before enjoying.