Steak Lover's Salad

2 cups green beans, cut into 1 ½ inch pieces
¼ tsp dried thyme
1 clove garlic, minced
5 tbls cooking oil
1 cup sweet onion, sliced into thin rounds
1 cup mushrooms, sliced (optional)
2 cups lettuce, torn into pieces
8 oz steak

Heat 2 Tbls cooking oil in a heavy-bottomed pot over medium heat and sauté the beans, garlic, and thyme until the beans slightly soften, about 5 min. Add one cup water and simmer 15 min. Drain. In a skillet, heat three Tbls cooking oil over medium heat and sauté the onion and optional mushrooms until soft and beginning to brown, about 10 min. Broil or pan-fry the steak to desired doneness. Cut into thin strips. In a large bowl combine all ingredients. Top with a dressing of 2 Tbls olive oil, 1 Tbls lemon juice, ¾ tsp prepared mustard, salt and pepper to taste. Serve warm. Serves 2-4.