Add the mushroom caps to a large storage bag (use a ... My favorite way to reheat leftover grilled portobello mushrooms is in the oven. Preheat the oven to 350°F and heat them on the top rack ...

Brush the portobello caps with olive oil and season with salt ... until the butter is melted. Transfer the grilled mushrooms to plates and serve right away.

Contributed by Nava Atlas of VegKitchen. Makes: As many as you’d like. The easiest route to a grilled vegan burger is to simply lavish portabella mushroom caps in a good marinade and plunk them on the ...