Below is the ingredient line-up, minus the entire stick of butter.
The part of the recipe where you boil the butter, sugar, evaporated milk, and espresso powder for 10 minutes was a wild ride. I do really love having to stir something for an excess of time, but a giant pot of boiling sugar, that was terrifying! Luckily there were no injuries.
I didn't have toffee chips, they don't seem to be available at smaller supermarkets, so I used mini-chocolate chips and some festive sprinkles.