Come Into My Kitchen - Mushroom Stroganoff

Ingredients

• 2 tablespoons extra-virgin olive oil
• 1 yellow onion, finely diced
• Salt
• 1-1/2 pounds mixed mushrooms stemmed and sliced into 1/4-inch pieces
• 1/2 cup white wine (sub sherry for half the liquid)
• 1 cup vegetable stock
• 2 tablespoons soy sauce
• 1-1/2 teaspoons Dijon mustard
• 1/2 cup créme fraicirc;che or sour cream
• Black pepper
• Handful of chopped parsley leaves, for serving
• Mashed potatoes, wide egg noodles or rice, for serving