1Heat oven to 300°F. Spray 15x10x1-inch pan with cooking spray. In large bowl, mix cereal, cashews and pecans.
2In 1-quart saucepan, heat brown sugar, tea and honey over medium heat 3 to 4 minutes, stirring constantly, until brown sugar is melted. Pour over cereal mixture; toss until well coated. Spread in pan.
3Bake 45 minutes, stirring well every 15 minutes. Bake 10 to 15 minutes longer or until crisp and glazed. Stir in mangoes and cranberries. Cool completely, about 15 minutes. (Mixture will crisp as it cools.) Store tightly covered at room temperature.