Kielbasa and Cabbage with juice

1 kielbasa (1 to 1-1/2 lbs.) 1 medium onion , diced 2 tablespoons olive oil 1/2 cup orange juice 1 head green cabbage , chopped 1 teaspoon kosher salt 1/2[...]

1 tablespoon corn oil 1 medium onion , sliced 5 cups thinly sliced cabbage (about 10 ounces) 1 apple , cored and thinly sliced 1/4 cup apple juice 1/4 cup[...]