Prepare your coffee: lungo (large espresso, needs to be hot)
Add piece of butter (roughly a tsp)
Add 0.5 oz/ 15ml maple syrup (you can add more if you like sweetness)
Add pinch of salt
Froth till butter dissolved
Add ice to serving glass
Pour in 3-4 oz/ 90-120 ml of your milk of choice
Pour your espresso mixture on top
Optionally sprinkle a little more salt on top
