This warm mushroom arugula salad is a delicious and nutritious dish that combines earthy mushrooms with peppery arugula. The mushrooms are sautéed until golden brown and then tossed with garlic, lemon juice, and olive oil. The warm mushrooms are then served on a bed of fresh arugula and topped with shaved Parmesan cheese. This salad is perfect as a light lunch or a side dish for dinner. It's packed with flavor and makes for a satisfying and healthy meal.