3 striped bass lemon baby Recipes

baby bok choy, trimmed and leaves separated, scallions, halved and cut into strips lengthwise, shiitake mushrooms, stems trimmed, halved if large, coarse salt and pepper, lemon slices, skinless striped bass (6 oz each) or 4 halibut fillets (6 oz each), extra-virgin olive oil

baby yukon gold potatoes, halved, cipollini onions or large shallots, peeled and quartered, extra-virgin olive oil, thyme, salt and freshly ground pepper, two 2- lb cleaned whole black bass , striped bass or other sea bass, lemon, thinly sliced , plus a lemon half, for squeezing, chopped parsley