Green Beans with Mint Vinaigrette and Pickled Onion | Williams Sonoma

Ingredients

• 1 Tbs. salt, plus more, to taste
• 3 lb. green beans, ends trimmed
• 1 1/2 cups white wine or cider vinegar
• 1 large white onion, peeled and cut crosswise <br> &nbsp into 1/8-inch-thick slices
• 3 Tbs. sugar
• 1 shallot, minced
• 2 tsp. Dijon mustard
• 1 Tbs. chopped fresh mint
• 2 Tbs. Champagne or white wine vinegar
• 5 Tbs. olive oil
• Freshly ground pepper, to taste