Steamed Fish without mahi whites

2 fish fillets (not too thick and no skin, 1 fillet per serving) salt pepper 1 lemon 200 g fresh green beans 1/2 cup water (salted) 2 tablespoons olive oil[...]

1 (2 lb) whole perch or 1 (2 lb) rock cod fish 1 teaspoon salt 1 teaspoon sherry wine 4 tablespoons preserved black beans 2 tablespoons sesame oil 2[...]

1/2 head napa cabbage , cored and chopped 2 (6 ounce) flatfish fish fillets, such as halibut 4 ounces shiitake mushrooms , cut into quarters 1/4 cup olive oil[...]