Cream Of Crab Soup

1 Small onion, finely chopped
1 Tablespoon butter
1 Cup chicken broth
1 Quart Half & Half, or whole milk
1 Tablespoon chopped parsley
1/2 Teaspoon celery salt
1/2 Teaspoon mace
1 Dash cayenne
salt and fresh ground black pepper, to taste
1 Pound crab meat, jumbo lump Maryland Blue Crab
1/4 Cup sherry
2 Tablespoons all−purpose flour,
mixed with 1 Tablespoon water or warm milk
In a large saucepan, cook onion in butter until transparent.
Add chicken broth and slowly pour in milk. Add all seasonings
except sherry. Add the crab meat (cleaned of all shells) and
simmer for 15 minutes.
Make a paste of about 2 tablespoon flour and a little water or
warm milk mixture. Stir paste into soup to thicken slightly.
Remove from heat, stir in sherry and serve.
Garnish with chopped parsley.