*Available in the Asian foods section of supermarkets and at Asian markets.
Directions
Whisk oil, lemon juice, dill, tarragon, cilantro, green onion, and mustard in small bowl. Season with salt and pepper. Do ahead Can be made 1 day ahead. Cover and chill.
Line baking sheet with waxed paper. Whisk first 10 ingredients in large bowl. Mix in crabmeat and 1 cup panko, breaking up crabmeat slightly. Let stand 10 minutes. Place remaining panko on rimmed baking sheet, spreading slightly. Form crab mixture into sixteen 2-inch-diameter patties, using about scant 1/4 cup for each. Press both sides of patties into panko. Transfer patties to waxed-paper-lined baking sheet. Cover and chill at least 1 hour and up to 1 day.
Melt 1 tablespoon butter with 1 tablespoon oil in each of 2 heavy large skillets over medium-high heat. Add crab cakes to skillets and cook until golden on both sides, adding more butter and oil as needed, about 5 minutes total.
Place salad mix in very large bowl. Add 1/2 cup vinaigrette; toss. Arrange crab cakes on platter. Garnish with herb sprigs, drizzle with some of remaining vinaigrette, and serve with salad.