In 2-quart saucepan over medium heat, in hot butter, cook onion until tender. Add lettuce; continue to cook, stirring constantly, until lettuce is wilted. Stir in soup; gradually stir in milk and broth. Heat thoroughly, stirring occasionally. In covered blender container or food processor, blend 1/2 of the soup mixture at a time until smooth.
Makes 5-1/2 cups or 6 servings.
Gumbos, Soups, Chowders
Cajun Country -- New Iberia, Louisiana