Apple-stuffed Mushrooms

Description
Purchased from the Malin Estate in Caddo Mills, Texas in 1995. Date and source unknown.
 * Contributed by Cat's Recipes Y-Group

Ingredients

 * 32 large fresh mushrooms
 * vegetable cooking spray
 * 3 tablespoons finely chopped celery
 * ½-cup minced tart apple
 * 2 tablespoons fine dry breadcrumbs
 * 1 tablespoon chopped fresh parsley
 * 2 tablespoons walnuts finely chopped and toasted
 * 1-tablespoon blue cheese crumbled
 * 2 teaspoons lemon juice

Directions

 * 1) Clean mushrooms with damp paper towels.
 * 2) Remove stems.
 * 3) Finely chop ⅓ cup of stems, reserving remaining stems for another use.
 * 4) Set mushroom caps aside.
 * 5) Coat a small skillet with cooking spray and place over medium-high heat until hot.
 * 6) Add ⅓ cup reserved chopped mushroom stems and celery.
 * 7) Sauté 2 minutes or until tender.
 * 8) Combine celery mix, apple and next 5 ingredients in a small bowl.
 * 9) Stir well.
 * 10) Spoon 1½ teaspoons apple mix into each reserved mushroom cap.
 * 11) Place mushrooms in a 15x10 inch jelly roll pan and bake at 350 °F for 15 minutes.