Cut 2 pounds of beefsteak into inch pieces. Sprinkle with salt, pepper and flour and fry until brown. Add 1 onion chopped fine and 1 tablespoonful of vinegar. Cover and let simmer with 1 tablespoonful of curry-powder and ½ cup of hot water until meat is tender. Thicken the sauce with flour and butter. Serve on a platter with a border of cooked rice sprinkled with chopped parsley and garnished with fried apple slices.