4-5 lg. onions, sliced
1/4 c. butter
1 (10 3/4 oz.) can chicken broth
1 (10 3/4 oz.) can beef broth
Water
Toasted sliced French bread
8 oz. shredded Swiss or Mozzarella cheese
1/4 c. grated Parmesan cheese

Combine onion and butter in 3 quart casserole. Cover and microwave on high 6 1/2 to 8 1/2 minutes or until translucent. Pour chicken and beef broth in 4 cup measure, then add enough water to make 1 quart. Stir broth mixture into onions. Cover and microwave 4 to 6 minutes. Then ladle soup in 4 soup bowls or small casseroles. Top with sliced bread and cheese. Microwave 5 to 7 minutes until cheese melts.