Green Beans With Mustard
["1 lb. green beans (whole), trimmed", "1 Tbsp. Dijon mustard", "salt and pepper", "juice of 1 lemon", "2 Tbsp. olive oil"]
["Steam green beans.", "Mix Dijon mustard, salt and pepper and lemon.", "Whisk in olive oil and toss with the green beans.", "Serve hot."]
["green beans", "mustard", "salt", "lemon", "olive oil"]