Combine chocolate chips and butter in 1 quart saucepan. Cook over low heat, stirring occasionally, until chocolate is melted (3 to 4 minutes).
Pour chocolate into 1 cup measuring cup. Using two forks, dip each banana chunk into chocolate; let excess drip off. Place onto waxed paper-lined tray. sprinkle with suggested toppings. Freeze at least 30 minutes or until firm.
TIPS: If chocolate becomes too thick, reheat over low heat, stirring constantly, until melted.
Store frozen in resealable plastic freezer bag up to 2 weeks.
If desired, insery toothpick or pretzel stick into each banana bite before freezing.