Instead of a traditional small menu which is usually tucked into the napkin, why not make the menu the main attraction? You can print a design or color which is carried throughout the event. You can easily have them coated in plastic at your local copy and printing center which makes a wonderful favor. They will be reminded of the great party every time they eat breakfast on it! Don't forget to personalize them with the name and date.
I printed mine on an 11" X 17" cardstock because my printer can take larger sheets, but they work great with an 11" X 14 " cardstock.