Active time: 20 min Start to finish: 20 min

　　

Ingredients

Makes 6 servings

　　1 1/2 lb green beans, trimmed

　　3 tablespoons olive oil

　　1 teaspoon Asian sesame oil

　　1 tablespoon white-wine vinegar

　　2 teaspoons Dijon mustard

　　1/2 teaspoon salt

　　1/4 teaspoon black pepper

　　2 tablespoons sesame seeds, toasted

　　

Step 1

Cook beans in a 6- to 8-quart pot of boiling salted water , uncovered, until crisp-tender, 4 to 5 minutes. Drain in a colander and immediately transfer to a bowl of ice and cold water to stop cooking. When beans are cool, drain and pat dry.

　　

Step 2

Whisk together oils, vinegar, mustard, salt, and pepper in a large bowl until combined well, then add beans and sesame seeds and toss to coat.