French Onion Soup
["4 Tbsp. butter", "2 1/4 c. thinly sliced onion", "6 c. beef broth", "1 tsp. salt", "1/8 tsp. pepper"]
["Melt butter in saucepan.", "Add onions and cook 3 minutes or until yellow.", "Add broth, salt, and pepper.", "Cook slowly 20 minutes or until onions are tender.", "Do not cover.", "Serve with croutons and grated parmesan cheese, if desired."]
["butter", "onion", "beef broth", "salt", "pepper"]