Slow-roasted portobello fajitas with spicy cashew cream (v)

This is a pretty good quarantine dish because so many of the ingredients can be swapped out based on what you have. I used poblanos, but bell peppers or any other mild chili peppers would be great. You could throw in squash or fennel as well. Mushrooms are fairly essential, however, because of their umami and meatiness, which especially comes out throug…