Oysters Rockefeller

Rockefeller Sauce
3 bags fresh spinach
Tops only from 2 bunches scallions
2 bunches parsley
1 (10 ounce) bottle Worcestershire sauce
1 or 2 cloves garlic, grated
2 pounds soft butter, creamed
1 (10 ounce) box bread crumbs
1 (14 ounce) bottle catsup
1 tube anchovy paste
Salt and pepper, to taste
Dash of red pepper
Dash of Tabasco