Amy’s Summer Sweet Potatoes Vichyssoise

4 teaspoons butter

1 cup chopped onions

2.2 lbs (2 large) sweet potatoes peeled and chopped

5 cups chicken broth

2 cups evaporated milk

Melt butter in large saucepan at medium-high heat. Add onions and cook until tender. Add potatoes and broth. Bring to a boil. Reduce heat and simmer, partially covered for about 20 minutes or until potatoes are tender. Puree in blender. Add evaporated milk. Mix well. Serve hot!