In a small skillet
cook onion, celery, and cabbage in hot oil for 3 to 4 minutes or just until crisp-tender. In an ungreased 2-quart rectangular baking dish
, layer half of the cabbage mixture, half of the sausage
, half of the potatoes, and half of the cheese
. Stir seed mixture; spoon half of the mixture atop cheese. Repeat layers, reserving remaining cheese for later. Bake, uncovered, in a 375 degree F oven for 30 to 35 minutes or until heated through. Top with remaining cheese. Makes 6 servings.