slow cooker recipe for rice pudding please?

[Northernlebkuchen]

No idea how to do it - please advise!

Also quantities for porridge?

I've just copied and pasted from our mate google

Slow Cooked Rice Pudding

25g butter
100g sugar
100g desert rice
1ltr milk

Grease the pot with the butter (use it all up)
Add the other ingredients to the pot
Stir gently together
Turn the slow cooker to high
Stir occassionally during cooking
Cooking time is approx 2.5hrs to 3.5hrs

didn't think to google it! Thanks