1. Preheat oven to 425°.
2. Place bread cubes on a baking sheet, and lightly coat with cooking spray. Add basil and garlic powder; toss well. Place bread mixture in preheating oven; bake for 8 minutes or until crisp.
3. Heat a large nonstick skillet over medium-high heat. Add 1 teaspoon oil to pan; swirl to coat. Add prosciutto; sauté 4 minutes or until prosciutto is crisp. Drain on paper towels.
4. Combine remaining 2 tablespoons plus 2 teaspoons oil, juice, and salt in a small bowl; stir well with a whisk. Place arugula, half of cheese, and juice mixture in a large bowl; toss well to coat. Divide arugula mixture evenly among 6 plates; divide chicken, prosciutto, tomatoes, remaining cheese, and croutons evenly over salads.
MyRecipes is working with Let's Move!, the Partnership for a Healthier America, and USDA's MyPlate to give anyone looking for healthier options access to a trove of recipes that will help them create healthy, tasty plates. For more information about creating a healthy plate, visit www.choosemyplate.gov.