Salad mushrooms

Wash and slice one container button mushrooms. Add three tb lemon juice, bottled is fine. Add salt and pepper  to taste, 2 tb olive oil.put all ingredients in a jar with one green onion sliced. Shake and wait at least 20 minutes.Refrigerate up to one week. Use as dressing layer in salad jars or on mashed potatoes or along side noodles or salad greens.