1. Cook the spaghetti according to package instructions until al dente. Drain and set aside.
2. In a large skillet, heat the olive oil over medium heat. Add the minced garlic and sauté until fragrant, about 1 minute.
3. Add the shrimp to the skillet and cook until they turn pink, about 3-4 minutes. Remove the shrimp from the skillet and set aside.
4. In the same skillet, add the crushed tomatoes, oregano, red pepper flakes, salt, and pepper. Stir to combine and let the sauce simmer for about 10 minutes.
5. Return the shrimp to the skillet and stir to coat them in the sauce. Let them heat through for another 2 minutes.
6. Add the cooked spaghetti to the skillet and toss everything together until the pasta is well coated with the sauce.
7. Stir in the fresh basil and sprinkle with Parmesan cheese before serving.
