Just to say, the 1 hr Londn guy recipe is fine, especially if you are looking to limit calories fats / simply short on milk.
I was using 2 small cups of uk mornflakes wholegrain, pin oats (muesli / porridge oats) 2.3 cups of water, good pinch of salt.
cinammon guestimate 1 teaspoon , 1/2 a cubed apple.
A splash of milk upon decanting
If getting a kid to eat this then recommend not stirring in jam, sauce etc, but to spread it fairly evenly so the dipped spoon gets the sauce flavour and a bit of milk each time eaten from round the edge… (Kids and picky adults huh 
)
The 10 hr “velvety” is not that at all, its just more emulsified and presumably relies on the milk fats to smooth things further, I was disappointed with the long cook time results compared to 1hr at 10c higher…
The cubed half apple (wonky small apple) added very good flavour combination with the cinammon meaning if I ate it regularly i’d likely not add any dessert sauce, jam etc, it pretty much carries itself, the fruit was soft but had bite…
Currently doing more to stick in the fridge for a reheat and see how it fares, microwave versus anova.
In case you were wondering (probably not)