Creamy Mushroom-Roasted Garlic Soup Full-page view Print Email Ingredients 1 Tbsp. I Can't Believe It's Not Butter!® Spread 1 package (10 oz.) mushrooms, sliced 1 small onion, chopped 1/4 tsp. dried thyme leaves, crushed 1 jar (1 lb.) Ragu® Roasted Garlic Parmesan Sauce 1 cup beef broth 1 cup milk 2 Tbsp. dry sherry (optional) 2 tsp. lemon juice (optional) Directions Melt Spread in medium saucepan over medium heat and cook mushrooms, onion and thyme, stirring occasionally, 5 minutes or until onion is tender. Stir in Sauce, broth, milk and sherry; heat through. Stir in lemon juice.