Nettle is cleaned, washed and put to boil with a little water. Once the boil 2-3 minutes to pass a blender. The oil and the butter and mix them fry finely chopped onion. Once it becomes transparent add the flour, stirring several times. Add tomato paste and stir well. Dilute with warm water. Season with black and red pepper and pour in the nettles. Add bouillon cube, and then dissolve well, if necessary to add more salt and water. Once boiling add the rice and the dish is cooked until ready. Immediately after removal from the fire thicken with beaten egg, which is crossed and the broth thickens further. Serve with a slice of butter and optional with a crushed clove of garlic and a few drops of vinegar.