Kartofler (Danish-Style Potatoes) 6 large potatoes 1/2 cup butter 1 large onion, sliced 1 tablespoon granulated sugar 1 tablespoon vinegar 1 teaspoon salt Dash of white pepper Boil potatoes. Cool, peel and slice 1/4-inch thick. Set aside. Melt butter in frying pan. Add onions and sauté for 5 minutes, stirring occasionally. Add potatoes. Sauté for 5 minutes, turning potatoes to brown both sides. Add remaining ingredients. Cook for 5 minutes longer. Yields 12 servings.