Recipes: Grilled garden vegetable salad

Preparation:  Preparation time: 25 mins Cooking time: 35 mins Serving: 6 Ingredients:   Salad 1/2 pound green beans 1/2 pound yellow wax beans Grapeseed oil or other neutral oil, as needed 1 pound cherry tomatoes or grape tomatoes 1/3 cup walnuts 2 heads lettuce (such as red oak or Bibb),...