3 grilled cornish hens with and portobello Recipes

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

yukon gold potatoes, portobello mushrooms, stems removed, vegetable oil, salt and freshly ground pepper, cornish hens (about 1 1/4 lb each), halved lengthwise, backbones removed, chopped flat-leaf parsley, olive oil, garlic cloves, minced, white wine vinegar