Fry the giros in hot olive oil over a high heat for about 10 minutes, turning. Wash, clean and slice the tomatoes. Peel onions, cut into rings. Cut flat bread into 4 pieces. Slice and bake in the preheated oven (electric cooker: 225 ° C/ gas: level 4) for 3-4 minutes.
Fill with giros and onion rings. Arrange coleslaw on tomatoes. Add tzatsiki. Serve garnished with fresh herbs and pickled peppers