For this particular stir fry, for example, I added broccoli first and cooked that for a little bit. When it started to get darker green and softer, I added mushrooms and stirred everything around. Then I added green beans because they take the least amount of time to cook (especially if you like them a little crunchy like I do!).
Then you add a dash of salt and pepper and serve on top of your base. You can use noodles, rice, add some beans or chickpeas, or have just the mixture on its own. I added some nuts on top and threw in some pre-cooked chicken and served the whole thing on top of rice.
Throw it all together (in order of course!) and enjoy!