In large microwaveable bowl, measure cereals and peanuts.
In 2-cup microwavable measuring cup, microwave butter until melted, about 30 seconds. Stir in brown sugar and peanut butter; microwave 30 seconds longer or until mixture is boiling. Pour over cereal mixture, stirring until evenly coated
Microwave uncovered on High about 3 minutes, stirring every minute, until mixture is glazed. Cool 5 minutes. Stir in dried bananas and candies. Spread on waxed paper to cool. Store in airtight container.