, preferably Fry's
, melted and cooled
Peel and slice bananas in half crosswise, then lengthwise. Place banana quarters, cut-side up, on a baking sheet in one layer. Freeze until firm, about 2 hours.
Break frozen bananas into chunks and place in a food processor. Whirl until just creamy. Add cocoa, icing sugar and cooled melted chocolate. Whirl until mixture is smooth, with bits of chocolate throughout. Serve immediately