Remove the stems from mushrooms caps and finely chop stems. Heat a large frying pan over medium heat and add the canola oil. Add the onion and saute for 2-3 minutes or until softened, then add garlic and mushroom stems. Cook a few minutes more, then add herbs and salt and pepper to taste.
Mix Temp Tee Whipped Cream Cheese with vegetable mixture in a small bowl. Mound the filling in the mushroom caps pressing gently. Top with Parmesan cheese and/or chopped walnuts. Place the filed caps in a baking pan. Pour wine in the pan and bake 15 minutes until golden brown.