Set the oven to 375 degrees Fahrenheit (190 degrees C). Put the potatoes in a sizable skillet and cover them with water that has been mildly seasoned. Cook for 10 minutes or until fork-tender after bringing to a boil. Drain and allow cooling.

With cold water, thoroughly wash the pork stomach. To fill the pork stomach, alternate stuffing it with potatoes, sausage, and cabbage and season it with salt and pepper. Try to create even layers while picturing how it would appear after being finished and sliced. Place in a small roasting pan after folding closed. Put any extra stuffing ingredients around the outside of the pan if you have any.

Roast in the preheated oven, uncovered, for 40 to 50 minutes, or until the sausage is thoroughly cooked and the stomach is browned and crispy. Slice the finished product into 2 inch pieces, then serve it hot. The drippings can be used to make gravy, but it also tastes delicious on its own as a complete meal.