Place cooked spinach in a food processor and chop
In a skillet melt one quarter cup butter and saute onion and garlic; add oysters and cook until ends start to curl
Place mixture in food processor and chop
Melt one quarter cup butter in saucepan and add chicken bouillon, cream and flour and cook for several minutes stirring constantly
Add spinach and oyster mixture and continue cooking
Add sherry and salt and pepper to taste and serve
You may serve this chilled also