In a saucepan heat up fresh cream and glucose and pour over the dark chocolate and melt - add liquid cream inside and emulsify allow to set in chiller min 2 hours and whip the mousse and use.
Dice the banana and make a classic caramel in saucepan add some cream and once liquid mix the banana inside.
In a bowl combine mousse stabilizer and water and compound and mix well with whisk, add the whipped cream under and pipe over the bananas.
Assemble: use a baked tart and pipe the whipped dark chocolate mousse inside to make the tart - layer some caramelized bananas on top and then pipe the banana mousse over and garnish