1Heat oven to 325°F.
2In ungreased 13x9-inch pan, mix cereals, pretzel sticks and cashews. In 1-quart saucepan, melt butter over medium heat. Remove from heat; stir in tarragon, onion powder and pepper sauce. Pour over cereal mixture, stirring until evenly coated.
3Bake uncovered about 25 minutes, stirring occasionally, until hot. Serve warm or cool. Store in airtight container.