Why did Garfield order french fries with his haunted hamburger?

Garfield ordered French fries with his haunted hamburger as a humorous addition to his meal, reflecting his love for food and his characteristic gluttony. The combination highlights the absurdity of the situation, as even a haunted hamburger cannot deter his appetite. Additionally, the inclusion of fries adds to the comedic effect, showcasing Garfield's indulgent personality.