1 bag (16 ounce size) sauerkraut, rinsed and drained 8 ounces kielbasa cut into 1/2-inch thick slices 1 large Granny Smith apple, cored and cut in 1/2-inch pieces 1/2 cup water 1 package (16 ounce size) frozen precooked potato and onion filled pierogies
Mix sauerkraut, kielbasa, apple and the water in a large, deep, non-stick skillet. Cover and cook over medium heat for 5 to 7 minutes, stirring occasionally, until apple is almost tender.
Place pierogies on sauerkraut mixture. Cover and cook 6 to 8 minutes longer, turning pierogies once, until apple is tender and pierogies are heated through.