4 lg. onions
1 tbsp. butter
1 tbsp. oil
1 tbsp. sugar
2 tbsp. flour
6 c. beef broth (2 cans Campbell's beef bouillon; make remainder with beef bouillon pkg.
1/4 c. white wine
Salt & pepper to taste
Mozzarella cheese
French bread or croutons

Cook onions and butter or oil over low heat until brown, 15 minutes. Then increase heat and add sugar and flour. Place in crockpot with the beef broth and cook or simmer several hours. Add wine 1 hour before serving. Place croutons in each bowl. Add soup and top with Mozzarella cheese. Place under broiler until cheese melts.