Marinated Mushroom and Onion Salad | Saveur

Ingredients

• 12 oz. roughly chopped mushrooms (any variety you have)
• 1 small red onion, thinly sliced lengthwise
• 1 rib celery, very thinly sliced diagonally
• ¼ cup white wine or champagne vinegar
• ¼ cup extra-virgin olive oil
• ¼ cup chicken or vegetable stock
• 1 tbsp. Dijon mustard
• 1 tbsp. honey
• 1 tsp. dried oregano
• ¼ tsp. cayenne
• Zest of 1 lemon
• Kosher salt and freshly ground black pepper, to taste
• ½ cup roughly chopped parsley