Ingredients:

  Amount  Measure       Ingredient -- Preparation Method
--------  ------------  --------------------------------
   2      pounds        large mushrooms -- (about 40)
     1/2  cup           grated romano cheese
     3/4  cup           dry bread crumbs
     1/2  cup           grated onion
   2      cloves        garlic -- minced
   3      tablespoons   minced parsley
   1      teaspoon      salt
     1/2  teaspoon      freshly ground black pepper
     1/2  teaspoon      oregano
     3/4  cup           olive oil

Preparation:

Wash but do not peel mushrooms. Remove stems and chop. Mix all ingredients except mushrooms and oil. Stuff mushroom caps. Pour a little oil into baking pan; arrange mushrooms in pan. Pour remaining oil over each one. Bake at 350F for 25 minutes. Serve.