This is crazy cheap, easy, quick and delicious. All you need is a blender.
Put a handful of almonds in a liter of cold water. Add honey or sugar if you like. Blend for a minute, stopping and starting again for the almonds to fall to the bottom and get really crushed. It is soooooo healthy, refreshing and tasty.
You can also add 100% cacao (powder or bar), a little piece of cinnamon stick or vanilla bean for an even healthier, yummier and more nutritious version of it!
You can keep it in the fridge for a couple of days in a bottle. Just shake before you drink it. Amazing!