7 tablespoons Extra Virgin Olive Oil, divided
2. Toss the salad: In a large serving bowl, whisk the remaining 4 Tbsp olive oil with the lemon juice. Add a little salt and pepper and then taste. Add more oil or lemon juice as you like. Add the celery, cooled mushrooms, cheese, and parsley to the bowl and toss until combined. Season with sea salt and pepper and serve.