Heat the oil in a frying pan. Stir fry the meat in batches for approx. 1 min. per batch, remove from the heat, season.
Fry the cubes of bread in the same pan for approx. 5 mins., allow to cool slightly. Mix the bread, tomatoes, cucumber and meat in a large bowl.
Mix the mustard with all the other ingredients up to and including the capers, season, then finally mix in the basil. Pour the dressing over the salad, mix.