Melt the butter and chocolate in the microwave to 45°C. Add sugar, eggs and mix. Line a baking tray with parchment paper, spread the mixture. Bake for 15 minutes at 170°C. Freeze.
Forest fruit gel
Combine pectin and sugar. Pour the puree and the lime juice into a pot and heat to 40°C. Add the dry ingredients. Cook, stirring all the way to the bottom, for another minute. Cool.
Coffee cream
Heat the cream (1) to 80°C with the crushed coffee beans, set aside for 30 minutes and reheat. Pour the hot liquid over the cocoa butter and chocolate. Blend, add coffee, cream (2) and blend again. Refrigerate for 12 h.
Assembly
Slice the brownie any way you like and pipe with the whipped coffee cream. Decorate with fruit as desired.