It's hard to say exactly what Buddy the Elf puts on his spaghetti, as he doesn't exactly follow traditional recipes. However, he does have a unique and creative way of preparing it. He may add a variety of different toppings and spices, such as garlic, basil, parmesan cheese, or even maple syrup. Whatever the case may be, it's clear that Buddy the Elf knows how to put his own spin on spaghetti and make it his own.