1. Peel the bananas and cut each into 2 pieces. Cut each piece into two slices, along the length. .
2. Combine khova with walnuts and vanilla.
3. Make sandwiches of banana slices with khova filling.
4. Smear them with butter and wrap in a pieces of foil. Place in sandwich toaster and cook for 3-5 minutes. Serve in foil.

Makes:4