What is your Best Vegan Portabell Recipe

Inna gonna roast a lot of beast tomorrow,like I always do.
But I like to provide for everyone,so I bought these:

Help me make the best of these shroons.
I am fairly well stocked with spices, and I am cooking in my churches commercial kitchen,so don't hold back!
My instincts lean towards smoked paprika,soy sauce, palm kernel oil,and caramelized onions.
Maybe some toasted sesame.
Maybe baked in a coconut based cream sauce.
But I'm not a vegan,  and I want to thrill my guests,  so tell me, what would you do with this ingredient.