Roast the Tomatoes:Preheat oven to 400°F (200°C).Place cherry tomatoes on a baking tray. Drizzle with olive oil, sprinkle with Italian seasoning, salt, and pepper.Roast for 20–25 minutes, until the tomatoes are soft and blistered.
Make the Sauce:Remove tray from the oven. Add pesto and cream cheese directly to the warm tomatoes. Stir until well combined.
Add the Pasta:Add the cooked spaghetti to the tray and toss to coat with the sauce.
Finish & Serve:Top with Parmesan and fresh basil. Serve warm.
