Cook the Spaghetti - Bring a large pot of salted water to a boil. Add the spaghetti and cook according to package instructions until al dente. Drain the cooked spaghetti in a colander and set aside. - For a fun twist, you can try using black spaghetti or squid ink spaghetti to enhance the zombie-themed appearance.

Prepare the Sauce - In a large skillet, heat olive oil over medium heat. Add the diced onion and minced garlic cloves. Sauté until the onion becomes translucent and the garlic is fragrant, about 5 minutes. Add the ground beef to the skillet and cook until browned, breaking it up into small pieces. Drain any excess grease if necessary. - To add an extra kick of flavor, you can sprinkle some red pepper flakes into the skillet along with the onion and garlic for a hint of spiciness.

Combine the Ingredients - Reduce the heat to low and pour the tomato sauce into the skillet with the cooked ground beef. Sprinkle the Italian seasoning, salt, and black pepper into the mixture. Stir well to combine all the ingredients and let the sauce simmer gently for 10 minutes to allow the flavors to meld together. - If you prefer a thicker sauce, you can let the mixture simmer for a bit longer until desired consistency is achieved.

Serve the Spaghetti Brains - Place a portion of the cooked spaghetti onto a plate. Using a pair of tongs or a spaghetti server, twirl and arrange the spaghetti in a way that resembles brains. Spoon the sauce generously over the pasta, making sure to cover most of the twirled spaghetti. Garnish with fresh parsley if desired. - For an extra spooky presentation, you can create small 'eyeballs' using mozzarella balls or cherry tomatoes and place them strategically on top of the sauce.