Watercress Soup - Recipe from The Galisteo Inn located in New Mexico. Vermicelli and Watercress Soup - Consists of chicken stock, olive oil, and onion. Watercress Soup - Cayenne, flour, butter, and milk combined with beef extract. Roasted Potato and Watercress Soup - Specialty recipe from The Notchland Inn Bed and Breakfast. Watercress and Mushroom Soup - Gluten, dairy, and wheat free recipe using lemon juice with vegetable stock. Watercress Soup - Recipe by Chef Darina Allen of Ballymaloe Cooking School, County Cork, Ireland. Watercress Soup - Made with zucchini, heavy cream, and leeks. Indonesian Spinach Watercress Soup - Contains peanut butter, vegetable stock, soy, and ginger. Food.com: Watercress Soup - Features a small collection of various recipes.