Slice top from rolls and place bottom in baking pan. Layer ham and cheese on rolls. Replace tops. Combine butter, mustard, Worcestershire, and onion powder and mix well. Drizzle over rolls. Refrigerate until butter is firm or overnight. Cover with foil and bake at 350 degrees for 30 minutes or until cheese melts. Uncover and cook for 2 additional minutes. Serve warm or cold.
Cookbook Create gift certificates are personal and unique. They allow your loved one to make exactly the book they want with all of their favorite recipes.