These sandwiches can be good idea for snack in any period of year. This one with ham and cheese can give you extra energy during the day, even if you have to go in for sport.For this sandwich you should prepare onion firstly. Cook it in the small skillet. Then you will add mustard, Worcestershire sauce and finish with poppy seeds for original taste.Next step is rolls. Cut them with onion sauce. Later cover with cheese and ham. Put another rolls on the top, cover with aluminum foil and bake for twenty minutes.These sandwiches can be cooked beforehand and freeze. If you want to make them spicier cover the top with extra onion mix.