Mix together first five ingredients. Cool and stir to distribute poppy seeds throughout. Refrigerate at least 2 ... pieces of the ham and cheese and put on ... oven for 20 minutes.
Melt butter, mustard, onion, seeds, and Worcestershire. Refrigerate until ... with mixture. Add ham and cheese slices; wrap each ... minutes at 350 degrees.
Melt butter and add mustard, onion, poppy seed and Worcestershire sauce. Mix well ... Layer each with ham and cheese. Wrap in foil ... minutes at 350 degrees.