1. Cook carrots and 1/2 cup water in a large nonstick skillet over high heat, stirring occasionally, 3 to 5 minutes or until carrots are softened and water is evaporated. Remove from skillet.
2. Reduce heat to medium. Cook turkey in skillet about 5 minutes, stirring until turkey crumbles and is no longer pink. Add carrots, mushrooms, and next 8 ingredients. Increase heat to medium-high, and cook, stirring constantly, 4 minutes. Add green onions, and cook, stirring constantly, 1 minute. Spoon mixture evenly onto lettuce leaves; roll up. Serve with hoisin sauce, if desired.