I have used tinned peaches for this recipe however you can use fresh peaches if they are in season. You can also make them as mini muffins for young children, just reduce the cooking time to 12-15 minutes.
Most recipes work just as well with soy or rice milk compared with cow’s milk. The only difference I have found is that when making a white sauce, the colour of the soy or rice milk may differ from that of cow’s milk. Different brands of soy and rice milk vary in their colour so you may need to experiment to find a desirable shade.