Season the chicken breasts with salt, paprika, garlic powder and black pepper. Grill over medium heat for 8-10 minutes, turning once, until cooked through. (Alternatively, you can roast the chicken in the oven at 375 for 25-30 minutes, until it’s cooked through to an internal temperature of 165.)
Let the chicken rest for 5-10 minutes, then slice.
Meanwhile, make the dressing. Add all of the dressing ingredients to a large jar then cover and shake well to combine.
To assemble the salad, divide the lettuce, tomatoes and grilled chicken onto four plates or bowls for serving. Top with the croutons and shaved Parmesan and drizzle with the Caesar dressing.