String Beans Mignonnette
["2 lb. fresh string beans, sliced in strips", "3 medium zucchini", "1 large onion, sliced", "2 Tbsp. vegetable oil", "dash of salt", "1 tsp. thyme", "1/2 tsp. marjoram"]
["Oil the bottom of a steel pan or Dutch oven.", "First, add the onion, then the zucchini (sliced with the skin on), then the string beans and herbs.", "Add 1/4 cup water.", "Cover tightly.", "Cook on very low heat for about 20 minutes."]
["fresh string beans", "zucchini", "onion", "vegetable oil", "salt", "thyme", "marjoram"]