Preheat oven to 350. Lightly grease 2 qt casserole. Peel and chop the potatoes into small pieces. Boil 8 or 10 mins, till tender and mashable. Drain and transfer to a large bowl. Mash potatoes while they're hot, adding cottage cheese and yogurt. Meanwhile, melt butter in large skillet. Add onions and salt, and saute about 5 mins. Add caraway and cabbage,, and saute about 10 more mins, stirring occasionally. When cabbage is tender, add carrots, garkic and dill. Cook 5 more mins, then remove from heat. Add sauted veggies and all remaining ingredients EXCEPT paprika to the mashed potatoes. Mix well and spread into the prepared pan. Sprinkle the paprika on top. Bake uncovered 35 to 45, until heated through. Serve hot.