Spiced Chicken With Couscous Salad

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Details

8 Ingredients

• 4 Tbsp(s) balsamic vinegar
• 1/2 lb(s) green beans, trimmed
• Kosher salt and black pepper
• 1/2 lb(s) large white mushrooms, halved
• 3 Tbsp(s) olive oil
• 1 red onion, cut into 1/2 inch thick rounds
• 1 lb(s) skirt steak, cut crosswise into four pieces
• 1 bunch(es) watercress, thick stems removed