3 warm portobello mushroom and potato salad Recipes

portobello mushrooms (about 1 1/2 lb), stems removed , dark underside of caps scraped off, olive oil, dried thyme, salt, fresh-ground black pepper, boiling potatoes (about 3), peeled and cut into 3/4-inch dice, dijon mustard, wine vinegar, scallions including green tops, chopped, watercress (about 5 oz), tough stems removed (about 3 cups), head curly endive (about 3/4 lb), torn into bite-size pieces (about 2 1/2 quarts)

boiling potatoes (about 5), preferably yukon gold, portobello mushrooms (about 4), stems removed, cooking oil, salt, fresh-ground black pepper, cornish hens (about 1 1/4 lb each), halved, olive oil, garlic, minced, chopped flat-leaf parsley