How to replicate store-bought Huel at home?

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If you use the search function you’ll see this question has been asked many many times and what the responses are. It was literally asked only a few days ago.

How to mix RTD yourself

The only product I really are the RTD-drinks. This is quite expensive, and the “pfand” is somesomething that bothers me even more - I find this extremely annoying. What I want to do now is mix something that is as close to RTD as it can get with one of the powders. To achieve this, I have a few questions: Which powder should I use? Should I add something and if yes what? Inulin, or some solving agent? Of course I would use a mixer and store it in the fridge, too. My other idea is to take th…