Add groats and stir until coated with oil. Add the water, cover and simmer for 15 minutes or until groats are tender and water absorbed. While groats are cooking, core the cabbage and steam until leaves are pliable. Seperate the leaves and place 2 heaping tablespoons of the groat mixture on each leaf. Roll up , tucking in the sides.
Place rolls in an oiled baking dish.
3 egg whites preheat oven to 400 F. Puree cottage cheese briefly in blender until smooth. Add cooked groats and mix well. Beat egg yolks slightly and add to cheese-groat mixture. Add seasonings and mix well. Beat egg whites until stiff and fold into the mixture.