Green Bean Parmesan Salad - cooking recipe

Ingredients

2 lb. string beans, cut into small pieces
1 small onion, minced
1/2 c. salad oil (olive)
1/4 c. wine vinegar
1 tsp. salt
1/4 tsp. pepper
1/2 c. grated Parmesan cheese

Preparation

Steam or boil the string beans until cooked.
Mix with remaining ingredients and serve.