Banana grind in a blender and dry in a pan with constant stirring. Should get a thick puree.
In a saucepan mix agar, water and sugar. Put on fire and cook up to 110 degrees. In the bowl of a mixer mix the cooled mashed potatoes and protein. Puree whisk at low speed, and when the syrup boils actively go to maximum. Melted chocolate in a pastry bag and let cool.
When the syrup has reached 110 degrees, a thin stream on the wall pour into the bowl of the mixer. At the same time, the speed is slightly reduced, so that the syrup does not splash.
Continue to beat until thick dense mass. If desired, add the dye. Cooled chocolate in a bag put in a big bag with a nozzle and the side spread marshmallow mass
We put marshmallows on parchment. Dry at room temperature for 6 hours, then sprinkle with powder and collect the halves. Store at room temperature in a dry, sealed container