Bring to a boil & then simmer
3-4 stalks of celery with leaves, 1/2 small onion, 1 med clove garlic, salt & pepper in 2 cups chicken broth
1 pint 1/2 & 1/2 whisk 5 Tbls flour into it
When vegetables are cooked put in blender until smooth, then add the 1/2 & 1/2 flour mixture to thicken
Serve with crackers or sandwiches