Ingredients:

  Amount  Measure       Ingredient -- Preparation Method
--------  ------------  --------------------------------
   1      package       frozen chopped spinach -- (10 oz. or 300 g.)
   1      envelope      dry onion soup mix
   1      cup           sour cream
                        minced garlic to taste
   1      kilogram      fresh mushrooms

Preparation:

Thaw spinach. Press out liquid. Mix with onion soup, sour cream and garlic. Remove mushroom stems and discard. Grease baking sheet. Fill mushrooms and chill. Heat 12 minutes at 350º.