Ratatouille Stuffed Mushrooms are a delightful appetizer or side dish that is sure to impress your guests. The mushrooms are filled with a flavorful ratatouille mixture and then baked until golden and bubbly. The combination of the earthy mushrooms and the savory ratatouille creates a mouthwatering bite-sized treat. Serve these stuffed mushrooms as a party appetizer or as a side dish with grilled meat or fish.