Easy Skillet Cabbage

1/4 cup butter
1/2 teaspoon seasoned salt
1 medium head cabbage, coarsely shredded
1/4 cup chopped onion
3 tablespoons vinegar
1 tablespoon granulated sugar

In a large skillet over medium heat, melt butter; add seasoned salt, cabbage, and onion. Cook, covered, over medium heat for 15 minutes. Stir frequently. Blend vinegar and sugar; add to cabbage mixture. Stir gently to blend; cook cabbage 5 minutes longer. Serves 6.