I used to make oatmeal, with cinnamon, some chopped almonds (10 for some reason) and frozen blueberries, sometimes with unsweetened almond milk instead of water.
Now I'm on a smoothie kick, I don't know why I just love it, made in the blender, unsweetened almond milk (vanilla), couple kale leaves, handful of baby spinach (or two) a banana, 2 tbsps. wheat germ, sometimes a tbsp of homemade peanut butter (no oil or sugar added). Like a milkshake.
Cheerios with a banana is good too. I'm trying to stay away from the simple carbs whatever they're called that turn into sugar right away, something like oatmeal stays with you longer.