Omelette Meal is an item found in Paper Mario: The Thousand-Year Door.
Paper Mario: The Thousand-Year Door
It can be also found after spending a night in the Poshley Heights Hotel. Another way to obtain it is through cooking. Zess T., the chef in Rogueport, can also make this delicacy by mixing both a Life Shroom and a Mystic Egg. This item heals only five Heart Points and five Flower Points.
Super Paper Mario
In Super Paper Mario, the Omelette Meal has been renamed to Omelette Plate. It now restores 20 HP and cures poison making it a much more effective item than in the previous game.