Make It
Step 1
Preheat oven to 375° F.
Step 2
Brush outside of mushrooms with oil. Place on baking sheet with the opening up.
Step 3
Combine cheese, bread crumbs, celery, water, bouillon and oregano in small bowl. Fill mushrooms with mixture.
Step 4
Bake for 15 minutes or until mushrooms are golden brown and cheese is melted. Serve warm.