Spray 13 x 9-inch pan and large bowl with nonstick cooking spray.
In sprayed large bowl, combine dried blueberries and popcorn; mix well. Set aside.
In medium microwave-safe bowl, combine marshmallows, vanilla chips and butter.
Microwave on HIGH for 1 minute. Stir; microwave on HIGH for an additional 1 to 3
minutes or until all marshmallows and chips can be stirred smooth, stirring occasionally.
Add marshmallow mixture to popcorn mixture; mix until evenly coated (mixture will
Spray hands or large rubber scraper with nonstick cooking spray. With sprayed
hands, press popcorn mixture in sprayed pan. Place in freezer for 10 minutes or
Cut into bars with serrated knife. Store in tightly covered container or wrap
individually in plastic wrap for easy packing.
Stovetop: Melt marshmallows, vanilla chips and butter over medium heat, stirring
constantly until smooth.