French Onion Soup
["1/4 lb. margarine (1 stick)", "1 (3 lb.) sack yellow onions", "3 (14 oz.) cans beef broth", "2 (14 oz.) cans chicken broth", "1 1/2 tsp. celery salt", "1 tsp. pepper", "1/2 tsp. salt", "1 bay leaf", "2 Tbsp. Worcestershire sauce", "Swiss cheese", "French bread", "Parmesan cheese"]
["Peel and slice onions thin.", "Saute in margarine until transparent.", "Add all other ingredients; simmer for 1 to 4 hours. (The longer, the better.)", "Serve plain or in onion soup crocks with a slice of French bread.", "Sprinkle with a little Parmesan cheese (optional).", "Fill crocks with soup; cover with 1 slice of Swiss cheese.", "Put in hot oven at 400\u00b0 until cheese melts and bubbles (only takes a few minutes).", "Bon appetit."]
["margarine", "sack yellow onions", "beef broth", "chicken broth", "celery salt", "pepper", "salt", "bay leaf", "Worcestershire sauce", "Swiss cheese", "bread", "Parmesan cheese"]