Hi there, I'm a big fan of smoothies, and this one is my favorite. I would also recommend joining Smoothie lovers community, if you haven't done that already :D
Steel cut oats also last, and reheat well over the course of a week. I cook them in my instant pot with my preferred seasonings and fruit and store in the fridge in mason jars. When I'm ready to eat it I grab a jar, throw in some plant milk, and reheat it in the microwave.