Green Beans with Sesame Vinaigrette

Ingredients

• 0.3 teaspoon pepper black
• 2 teaspoons dijon mustard 
• 1.5 lb green beans trimmed
• 3 tablespoons olive oil 
• 0.5 teaspoon salt 
• 1 teaspoon asian sesame oil 
• 2 tablespoons sesame seed toasted
• 1 tablespoon white-wine vinegar 

Equipment

• bowl
• whisk
• pot
• colander

Directions

1. Cook beans in a 6- to 8-quart pot of boiling salted water, uncovered, until crisp-tender, 4 to 5 minutes.
2. 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.
3. 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.