Directions : Unroll the croissant roll into 4 rectangles, put a slice of ham on each rectangle. Spread mustard over the ham and sprinkle with cheese. Starting with the shortest side, roll into a log. You will have 4 logs. Then take the knife and cu the logst into 4 to 5 slices. On an un greased cookie sheet. Place the slices, cut side down. Preheat oven to 325 degrees. Cook the croissants 15 to 20 min. Or until done.