Lizzie's Cold Watercress Soup

Ingredients

• 1 (10 1/2 ounce) can chicken broth
• 3 cups whole milk
• 1 teaspoon onion
• minced
• 1 bunch watercress
• stemmed
• salt

Instructions

1. Put all ingredients into blender.
2. Blend until smooth.
3. Pour into a chilled soup tureen.
4. Serve cold!