For a drily funny take on the IHOP/IHOb watch this video:
I wasn’t particularly crazy about their pancakes at any price.
Better and cheaper places to eat.
Know your competencies and focus on them. Trying to expand the menu means adding foods they don’t do as well that others can get elsewhere.
Invent new flavors of pancakes, new styles of breakfast foods. But don’t add lunch and dinner to the menu.