Leftover Chicken Mayo Sandwich Recipe Have leftover chicken? Why not make the classic chicken mayo sandwich in under 30 minutes!Serves: 2 Time: 30 minutes Recipe by: Thando Manyoni Ingredients:1 ½ cup cubed leftover chicken½ red onion, diced1 cup mayo¼ sirachaHandful fresh parsley, chopped1 cup lettuce, chopped4 slices ciabatta4 tbsp butterSalt and pepper How To Make Leftover Chicken Mayo Sandwich To a mixing combine the cubed chicken, red onion, mayo, siracha, parsley, lettuce and season to taste.Butter each slice of bread.Heat a grill pan and place the 2 slices of bread, buttered side down.Fill with the chicken mixture and top with two remaining slices of bread buttered side up.Toast on each side until golden brown. Serve and enjoy!