Preheat oven to 400 degrees F. Place prosciutto in single layer on large baking sheet. Bake until crisp, 8 to 10 minutes. Set aside.
In large nonstick skillet heat 1 tablespoon of oil over medium heat. Sprinkle chicken with salt, pepper, and paprika; add to skillet. Cook 8 to 10 minutes or until chicken is no longer pink (170 degrees F), turning once. Cool slightly; slice.
For Lemon Dressing, finely shred peel from one lemon; squeeze lemons to make 1/3 cup juice. In small bowl whisk together remaining olive oil, lemon juice, shredded peel, and shallot. Season with salt and pepper; set aside.
In large bowl combine carrots, zucchini, sweet peppers, onion, and chicken. Toss with dressing. Add blue cheese.
Line salad bowls with romaine. Spoon in chicken mixture. Top with prosciutto. Makes 6 servings.