Preheat oven to 375℉
Grease a baking dish or 13x9 pan with butter or non stick spray
Cook egg noodles in boiling salted water until al dente. Drain, and place in prepared baking dish. Toss with 3 tablespoons butter
In a large skillet or pot, cook kielbasa slices on medium heat until lightly brown, remove to a clean plate, and cover with foil
In the same pot, melt 2 tablespoons butter, and sauté onion until soft and translucent
Add remaining 3 tablespoons butter, sliced cabbage, season with salt, pepper and garlic powder, and cook until soft
Add the cabbage and onions to the egg noodles, and stir in sour cream and cottage cheese
Stir in cooked kielbasa, smooth ingredients evenly in baking dish, and top with shredded cheese
Bake for 25-30 minutes or until dish is heated through and cheese is melted
