I think if you are cooking oatmeal in the crockpot, you want to use steel cut oatmeal, which takes a long time (upwards of half an hour) to cook on the stovetop. Quick cook oatmeal cooks in less than five minutes on the stovetop, why bother with a crockpot for it?
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"Decide what you want; decide what you're willing to exchange for it; establish your priorities, and go to work." --H.L. Hunt
"Life has hills. Set the treadmill at an incline."