Oat Groot
is whole kernal husk/hull removed
Steel cut
Irish, Groot’s toasted and cut into small pieces
Rolled oats
Groatssteamed rolled into flat flakes
Quick cooking
Rolled oats cut into smaller pieces
Instant
Partially, cooked, dried,boiling water
Oatbran
outer covering of oat
oatmeal
processed groats and cooked pourge