4 teaspoons chopped lemon zest
4 teaspoons chopped fresh dill
4 teaspoons chopped fresh parsley leaves
4 teaspoons chopped fresh chervil leaves
2 teaspoons cracked black pepper
4 (6-ounce) halibut fillets, skinned
1 1/2 teaspoons salt
4 teaspoons Dijon mustard
1 tablespoon vegetable oil
4 cups cleaned fresh arugula leaves
4 tablespoons olive oil
Cherry Tomato Salad, recipe follows
1 pint cherry tomatoes, halved lengthwise
1/4 cup diced red onion
1 teaspoon lemon zest
2 tablespoons chopped parsley
2 tablespoons white wine vinegar
4 tablespoons olive oil
Salt and freshly ground black pepper