1Heat oven to 350°. Spray rectangular baking dish, 13x9x2 inches, with cooking spray. Cook and drain pasta as directed on package.
2While pasta is cooking, mix crushed crackers and lemon peel in small bowl; set aside. Spray 10-inch nonstick skillet with cooking spray; heat over medium-high heat. Cook chicken and garlic in skillet 2 to 3 minutes, stirring frequently, until chicken is brown. Remove skillet from heat; stir in pasta and remaining ingredients. Spoon chicken mixture into baking dish. Sprinkle with crumb mixture.
3Cover and bake 25 minutes. Uncover and bake 10 to 15 minutes longer or until hot and bubbly.