Mixed Bean Salad with Red Onion Vinaigrette – Moveable Feast

Ingredients

• Kosher salt
• 8 oz. green string beans, trimmed
• 8 oz. yellow wax beans, trimmed
• 8 oz. purple string beans, trimmed
• 6 oz. shelled fava beans
• 1/2 medium red onion, thinly sliced
• 2 Tbs. whole-grain mustard, preferably Maille
• 1 Tbs. honey Dijon mustard, preferably Maille
• 1/2 cup red wine vinegar
• 1/2 cup extra-virgin olive oil
• Pea shoots, for garnish, optional
• Edible flowers, such as pansies or nasturtiums, for garnish, optional