Mushrooms Stuffed with Apples and Herbs Recipe from Canada

Ingredients

• 20 large button mushrooms
• 1 tbsp light soy sauce
• 2 tsp extra-virgin olive oil , divided
• 3 tsp balsamic vinegar , divided
• non- stick cooking spray
• 1 small leek , white part only, chopped
• 1 stalk celery , minced
• 1 red apple , peeled, cored and diced
• 2 tbsp minced parsley
• 0.25 tsp oregano
• 0.25 tsp basil
• salt and freshly ground black pepper , to taste
• 2 tsp butter
• 0.5 cup whole- wheat breadcrumbs
• 2 tbsp grated parmesan cheese
• 2 tsp vegetable stock