1. Preheat broiler to high.
2. Heat a large nonstick skillet over medium-high heat. Add lamb to pan; cook 3 minutes or until browned, stirring to crumble lamb. Remove lamb from pan. Add oil to pan; swirl to coat. Add onion to pan; sauté 4 minutes. Stir in garlic and next 4 ingredients (through cinnamon); sauté 1 minute. Stir in 1/2 cup water and tomato; bring to a simmer. Cook 4 minutes or until tomatoes begin to soften. Stir in cooked lamb. Cover, reduce heat, and simmer 4 minutes. Stir in the lemon juice.
3. Split each pita into 2 rounds. Place pita rounds on a baking sheet. Broil 1 minute on each side or until crisp. Spread 2 tablespoons hummus on each round. Top each serving with about 1/3 cup lamb mixture. Sprinkle evenly with cilantro and nuts.
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.