What type of cuisine primarily characterizes IHOP's menu?

IHOP's menu is primarily characterized by American diner cuisine, which emphasizes classic breakfast dishes as well as other American comfort foods. This includes a wide variety of pancakes, waffles, omelets, and other breakfast staples, along with lunch and dinner options such as burgers and sandwiches. The focus on breakfast items and the variety of hearty comfort foods align with the traditional American diner experience, which is a defining feature of IHOP. The restaurant chain has become synonymous with breakfast culture in the United States, making American diner cuisine the most appropriate characterization of its menu offerings.