This decadent brownie was inspired by a very delicious milkshake I once had (well, thrice had - it was that good!). A slab of brownie blended with a whole banana plus milk and a squeeze of honey into the best milkshake I've ever tasted. Hands down. Here I've cooked down the banana with warming cinnamon and swirled it through a brownie that is chewy and gooey and chocolatey. Yes please!
