01 - Peel the bananas and cut into 1/2-inch thick rounds.
02 - Line a baking sheet with parchment paper and arrange banana slices in a single layer.
03 - Freeze the banana slices for at least 1 hour until firm.
04 - Melt the chocolate and coconut oil together in a heatproof bowl over simmering water or in the microwave, stirring until smooth.
05 - Use a fork or toothpick to dip each frozen banana slice into the melted chocolate, allowing excess to drip off.
06 - Place chocolate-coated slices on parchment paper and immediately sprinkle with chopped peanuts.
07 - Return the tray to the freezer for 15 to 20 minutes until the chocolate sets.
08 - Serve the chocolate-covered banana bites frozen.