This looks like French onion soup but has the rich mushroom flavour instead of onion. It is...
Portabellas are large mushrooms with a meat-like texture and earthy taste, which makes them popular for vegetarian dishes. Highly versatile, they are excellent grilled, roasted and baked, can be stuffed as an entree, or added to your favorite stir-fry or sauce.
How to purchase
Look for a cap that is firm and meaty, symmetrical in shape, with smooth, unbroken edges. Gills should be dry, even, and light coloured.