2-3 heaped spoonfuls of Greek yogurt (the more yogurt the thicker it is)
2 or more handfuls of frozen berries (any frozen fruit will work. If unfrozen use ice as well)
Milk (as much as needed to cover all the ingredients. The more milk the more like a smoothie it becomes)
1. Put all the ingredients in a blender and blend until the smoothie/thick shake is smooth.