Bring 4 cups of water to a boil. Add 2 cups of quick cooking oats. Cook according to directions on box.
While water is boiling and oats are cooking, slice apple.
Place chopped apple into a bowl and add a few dashes of cinnamon, enough to cover the top layer of apples.
Add 1 tsp lemon juice and brown sugar.
Mix together the apples and sweetness.
When the oatmeal has thickened and is gently bubbling (over medium-high heat).
Drop in the apples.
Once all the apples are into the oatmeal, stir them in and cook for 1-5 minutes.
If you want crispier apples, just cook for a minute.
If you want medium-crispy-medium-soft apples, cook for 3 minutes.
If you want softer apples, cook for 5 minutes.
Serve Apple Cinnamon Oatmeal.