Combine cornmeal and oregano; stir well. Combine tofu and tamari in a bowl; toss gently to coat. Sprinkle cornmeal mixture over tofu; toss gently to coat.
Coat a large nonstick skillet with cooking spray, and place over medium heat until hot. Add tofu; cook 3 minutes or until lightly browned, turning occasionally. Remove tofu from skillet; set aside.
Place lettuce in a bowl. Drizzle 3/4 cup Caesar Dressing over lettuce; toss well. Spoon 2 cups salad into each of 5 bowls; top each with 1/2 cup tofu croutons. Serve immediately.
Note: Store remaining dressing in an airtight container in refrigerator for 1 week. Serve with salad greens.