Try these tips for making the most super fudgy cocoa brownies ever! To create crackly tops you'll need to use hot melted butter, and beat in your eggs for a good minute. If you’re looking for the fudgiest brownies in this lifetime, do not overbake these brownies. Follow along with all of our tips and tricks to make brownies with a super fudgy centre without losing that crispy, crackly top.