You can even add in some walnuts for a bit of a crunch. I was addicted to that mixture for a while. Thinking about it though makes me want to cook it again...
Believe it or not, so does Sam's Club. Just make sure to read the labels carefully and avoid the ones that have added sugar.
but I eat Old-fashioned Quaker oats. 1/3 dry oatmeal and 2/3 cup water, microwaved (like Mel says -- in a BIG bowl!) for 1 minute, 40 seconds. 
Here's something that I cannot figure out. I cut down on my oatmeal when I found out how many calories were in the oats. I know it's healthy calories but still it seemed high. Here's the thing - this website has oats as 600 calories for a cup, while Quaker's website says half that!! Now interestingly enough the weight total of each website is also very different but oats can't be that different just by brand, can they??

My DH, btw, eats rolled oats as they come from the box. He mixes them with whatever cold cereal he's eating, pours on milk (and sugar!), and usually fruit, and eats. I cannot get him to eat cooked oatmeal, unless you mix it with another hot cereal. We get a cereal called Malt-o-Meal, which like cream of wheat, and I often cook one serving of that with one serving of oats. It's not bad, and he'll eat that.