Start a large pot of boiling water on the stove. Cook spaghetti according to the directions on the package.
Heat a large skillet over medium heat and add one pound of ground beef. Add a chopped onion and season with salt, pepper, paprika, onion powder, Italian seasoning, and red pepper flakes. Drain any grease from the skillet.
Add 1 tbsp minced garlic, Alfredo sauce, and marinara sauce to the skillet and stir well.
Add drained spaghetti to the skillet and stir well top with some dried parsley and Parmesan cheese. Enjoy!