• Print Recipe Relish Ingredients 1 large onion, cut in half and thinly sliced 60ml (¼ cup) vegetable oil 2 large pickled cucumbers, finely chopped 180ml (¾ cup) tomato sauce 125ml (½ cup) mild mustard 30ml (2 tbsp) Worcestershire sauce a pinch of pouring salt a pinch of fine black pepper Instructions 1 Fry the onion