Brown ground beef until it's fully cooked and slightly crispy.
Sauté onions and garlic to release their sweet, aromatic flavors.
Add canned tomatoes and simmer for a rich, hearty sauce.
Mix in Italian seasoning for an authentic flavor boost.
Cook spaghetti until al dente, then drain well.
Combine spaghetti and sauce, stirring until evenly coated.
Top with freshly grated Parmesan for an irresistible finish.