A smoothie is supposed to be healthy AND delightful. That is easy to achieve. On top of it, the following recipe takes less than 5 min to prepare.
½ apple (around 100g, a sweet one with lots of acidity)
200g frozen blueberries
100g frozen fresh spinach
And put everything in a mixer. Mix and fill into a glass.
It fits perfect to spring and summer weather. Likewise, you can drink it during autumn and winter – when you are sitting in your warm apartment.
A common adjustment of the smoothie is adding only 50g spinach. Others may want add even more to get a real health buster.
For the vegans among you: if you add any standard vegan protein powder into the mixture, the taste does not change (except for hemp protein of course – that one always has a strong taste).