When the meat is almost finished cooking, add the onions and cook until the meat is done.
Thinly slice the cabbage into "noodle" thin pieces as you would for sauerkraut.
Add the cabbage to the skillet and saute until softened. You may have to do this in several batches, returning it all to the pan when it is cooked down.
Stir the spices and spaghetti sauce.
If using cheese, sprinkle it on top and put the skillet into the preheated oven to melt the cheese.