- 3 (32 ounce) packages sauerkraut, drained
- 2 (15 ounce) cans turnip greens, drained
- 2 onions, quartered
- salt and ground black pepper to taste
- 1 (12 fluid ounce) can frozen apple juice concentrate, thawed
- 1 (12 fluid ounce) can water
- 1 1/2 cups brown sugar, or more to taste
- 3 pounds kielbasa sausage, cut into 3-inch pieces
- Preheat oven to 350 degrees F (175 degrees C).
- Empty sauerkraut and turnip greens into a colander and rinse lightly; drain. Spread sauerkraut, turnip greens, and onions in an even layer in a large baking dish and season with salt and black pepper.
- Whisk apple juice concentrate, water, and brown sugar in a bowl, dissolving the sugar. Pour juice mixture over vegetables. Arrange pieces of kielbasa sausage into dish atop vegetables.
- Bake in the preheated oven until most of the liquid has evaporated and the kielbasa is browned, about 2 hours, stirring every 20 minutes.