Boil the egg hard, quench. Dice cucumber very finely. Mix with yoghurt and ketchup, season to taste
Clean and wash the peppers and cut or dice them into strips. Wash the mushrooms and cut them into slices. Clean, wash and pluck the salad
Peel and slice the egg. Cut roast beef in half lengthwise and roll up. Arrange prepared salad ingredients, egg and roast beef with the salad dressing. Add the bread roll