Such drinks are often commercially made in machines which produce a texture similar to a smoothie, and come in a wide variety of flavors made with various alcohol or liquors.
It is served like a smoothie in a bowl or in a glass, is commonly topped with granola, banana, and mixed with other fruits, with the addition of guaran syrup.
At least one blender company has ads which specifically target the intention of producing green smoothies with the blender once purchased, which offers a booklet of green smoothie recipes.