Red Cabbage and Kale Pasta

1) Heat a large skillet and melt 1 tablespoon of butter.
2) Dice the onions and sweat them in the skillet until nearly translucent.
3) Wash kale and cut into 1/2 inch thick strips. Add to the skillet, tossing occasionally for 5 minutes,
4) Shred the red cabbage, and add to the skillet along with the water. Cook for another 5 minutes, stirring occasionally, until cabbage is tender.
5) Add pasta to a pot of salted boiling water. Cook until al dente.
6) Add the tomato sauce to the kale/red cabbage mixture and stir until heated through.
7) Mix with the cooked pasta, the kale/red cabbage mixture and the remaining butter. Once combined, plate and top with grated cheese.