Heat oil in a large saucepan. Add garlic and cook for a few seconds, until fragrant. Add tomato paste and stir to combine.
Add marinara sauce, water, and seasoning. Bring to a boil. Add pasta. Cover and lower heat. Cook for 12-13 minutes, stirring 3-4 times.
Stir in cheese. Mix and remove from heat. Taste and adjust seasoning if needed. Serve fresh.