If making from fresh clean the okra carefully by gently scraping away the little hairs on the skin. You don't have to do this but some people have a reaction to them. Do not cut the ends of to reveal the seeds . You will get a slimy substance coming out and the okra will cook away .You need to gently cut the stem away with out opening the okra up, brush the okra with red wine vinegar and if possible leave to dry in the sun for about an hour or so. Simmer them for about 20-30 minutes in the tomato sauce until soft but not mashy, season them with all purpose season ,parsley, sugar, black pepper and chervil. You can add a little chilli if you like . Leave to cool. Serve with the sauté peppers ,onions and garlic .