Measure cereal and set aside.
In large saucepan over low heat, melt butter.
Add marshmallows, peanut butter chips and cocoa.
Cook over low heat, stirring constantly, until marshmallows and chips are melted.
Remove from heat.
Stir in corn syrup.
Add cereal and stir until well coated.
Using buttered hands, shape into 1 1/2 inch balls, stirring mixture a few times during shaping.
Place on cookie sheet.
Cool completely and store in cool dry place.
Makes 3 1/2 dozen treats.
Microwave Directions: In large microwave-safe bowl, place butter.
Microwave at High 45 seconds or until melted.
Add marshmallows, peanut butter chips and cocoa; stir.
Microwave on High 1 1/2 minutes, then stir until mixture is smooth.
Stir in corn syrup.
Add cereal and stir until well coated.
Shape as directed previously.