Mix first 4 vinaigrette ingredients and shake vigorously in tightly-sealed container. Add salt & pepper to taste. Cut strawberries in quarters, place in small bowl and toss with about 2 tbsp. of the vinaigrette. Set aside. Place spring mix in bowl and toss lightly with 3 tbsp. of the vinaigrette, just till leaves are evenly coated. Transfer lettuce to 4 individual serving plates. Top lettuce with strawberries, toasted walnuts and cheese of choice. Serve immediately.