Peel and slice onion in half, using mandolin slice about 1/4 inch.
Put butter and raw onions in large fry pan, cover and cook over med
heat, sweat onions until are soft and lightly brown in color.
Pour beef broth into crockpot. Add cooked onions set heat on high.
Cover and cook for 3 hours, Add sherry and garlic powder.
tested 5/27/17
Very rich flavor We used beef broth made while cooking beef pot
roast. Will do again using canned broth
Reheat soup in microwave. Toast sliced bread. Place bread on top of
ceramic bowl filled with soup. place cheese on top, broil until cheese
melts
