Cut banana into rounds and quarter them. Set aside.
Spoon 1/2 tsp. of nutella and 1/2 tsp. of the chopped banana into the wonton wrapper. Wet the edges of the wonton with water and fold into a triangle, then take the two end of the triangle and bring together to make a pouch.
Fry in vegetable oil for 2-3 mins. turning the wontons until they are golden. Remove from oil and put on a paper towel to remove excess oil. .
Serve with fresh raspberries and vanilla ice cream.