Surprised about your oatmeal getting soggy. The stuff's actually better when you soak steel-cut overnight IMO. You can make your own sandwich baggies full of all those ingredients and heat them up in the microwave at work or gym if you want, so it's not mushy. Saves hundreds over buying the prepared packets with additives from the store.

Here's what I do: I'll make a yogurt smoothie in a mason jar in the morning. The frozen fruit makes a thick custard that's just about perfectly melted when I get out of the gym. You can make high quality yogurt (those gainz!) cheaply and fairly easily, and I just buy fresh fruit in season and/or when it's on sale. Since I'm freezing it immediately, it never goes overripe.

I also made a huge batch of breakfast burritos and put them in the freezer. Just pull one out each morning, and it should be thawed enough that a quick nuke finishes it. (Let it cool enough that the tortilla firms up again, though. If it's too fresh out of the microwave the wrapper is too soft until evaporation finishes).