Cook rice and grain mixture in boiling salted water at low heat for about 25 minutes. Meanwhile clean and wash the celery and cut it into small pieces. Drain pineapple rings and cut into pieces. Wash, quarter and seed the tomato and cut into small cubes. Mix quark, cream, celery and pineapple.
Season with salt, pepper and paprika. Peel and finely dice onions. Heat 1 tablespoon of oil in a frying pan and fry the onions until transparent, turning them over. Clean, wash and grate the carrots. Drain the rice. Mix onions, carrots, eggs, flour and rice mixture and season with salt and pepper. Form 12 flat buffers from the mixture. Heat the remaining oil in a pan and fry the buffers in it one after the other on both sides until golden brown. Arrange 3 buffers on salad leaves.
Mix onions, carrots, eggs, flour and rice mixture and season with salt and pepper. Form 12 flat buffers from the mixture. Heat the remaining oil in a pan and fry the buffers in it one after the other on both sides until golden brown. Arrange 3 buffers on salad leaves. Sprinkle with a dash of quark dip and tomato cubes. Serve garnished with parsley