Heat olive oil in a large skillet over medium heat.
Add ground beef and cook until browned, breaking it apart as it cooks.
Season with garlic powder, onion powder, salt, and pepper.
Stir in the marinara sauce and let simmer for 5 minutes.
Add cooked pasta and mix well.
Top with shredded cheese, cover, and let melt for 2 minutes.
Serve warm with a sprinkle of red pepper flakes if desired.