To me, King Oyster Mushrooms look like is an oyster mushroom on steroids. They are so meaty they could easily serve as a meat-substitute in the main course portion of your meal.
I don't provide specific proportions for most of these ingredients because I want you to make it your own. If you really enjoy truffle oil, go ahead and layer it on!
The spinach arugula pesto is especially tasty using greens picked fresh from the garden. You can make a big batch of this stuff and freeze it for future dishes.