"Instant oats" refers to a type of oatmeal that is pre-cooked and dried, allowing it to be ready to eat quickly by simply adding hot water or microwaving it for a short time. Full definition
If you don't love coconut, use instant oats in this recipe as a substitute. (feedingglutenfree.com)
I haven't tried this recipe with steel cut oats or those packet of instant oats so I can not tell you if those would work just as well. (myfussyeater.com)