1. Place a baking sheet in oven. Preheat oven to 400°. (Keep baking sheet in oven as it preheats.)
2. Bring 4 cups water to a boil in a large saucepan. Add kale; cook 1 minute. Drain and plunge kale into ice water. Drain; squeeze excess liquid from kale.
3. Place kale, basil leaves, 2 tablespoons pine nuts, 2 tablespoons Parmesan cheese, and garlic in a food processor. Process until chopped. Add 1 tablespoon water, juice, and salt; pulse 5 times. With processor on, slowly pour oil through food chute; process until well blended.
4. Spread about 2 tablespoons pesto over each pita. Top evenly with tomatoes and bacon. Sprinkle with remaining Parmesan and mozzarella cheeses; top evenly with remaining 1 tablespoon nuts. Remove pan from oven; place pitas on pan. Bake at 400° for 12 minutes or until crust is browned and crisp.
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.