If you want a vegan smoothie, just use vegan milk. The bananas should be nice and ripe so that the smoothie has a healthy, natural sweetness. The smoothie can be sweetened with dried fruit, depending on your preference. Here apricots, dates, cranberries are conceivable - a teaspoon of honey or agave syrup would also be possible. Simply add the ice cubes and mix. It doesn't have to be espresso ice cubes if you don't like coffee.

Good to know: How can espresso ice cubes be made? It's easy! Just put leftovers from the café into an ice cube container, fill it up with water and let it freeze.