Heat oil in a large skillet over medium heat
Add chopped onion and cook until softened
Add minced garlic and cook briefly
Add ground beef and cook until browned
Drain excess fat if needed
Stir in tomato paste
Add crushed tomatoes or tomato sauce
Add salt
Add black pepper
Add dried oregano
Add dried basil
Add a pinch of sugar if desired
Simmer on low heat for 20 to 30 minutes
Stir occasionally
Adjust seasoning to taste
Serve over pasta or use as desired