Red Swiss chard (or rhubarb chard) has dark green leaves and reddish celery-like stalks. Any variety available in the market works for this main dish recipe.
In 12-inch nonstick skillet heat 1 tablespoon of the olive oil over medium heat. Cook kielbasa pieces 5 minutes, stirring to brown evenly. Remove kielbasa from skillet; set aside and keep warm.
Add onion and sugar to skillet. Cook and stir over medium heat 5 minutes, until onion is tender and caramelized. Remove onion mixture from skillet; set aside and keep warm.
In same skillet add remaining 1 tablespoon of olive oil, cabbage, and caraway seeds. Cook and stir 6 to 8 minutes, until cabbage is wilted. Stir in chard. Cook and stir 2 to 3 minutes more, until chard is lightly wilted.
Stir onion mixture and salt into cabbage mixture. Place kielbasa pieces on top. Serves 6.