Peanut butter is visible in the last picture, which is the only one where he has actually placed the banana slices. I am not sure whether it is best to apply pe

Peanut butter is visible in the last picture, which is the only one where he has actually placed the banana slices. I am not sure whether it is best to apply peanut butter to both slices or just one; I would suspect both, but we may not be seeing a finished product.