Preheat your oven to 375°F (190°C).
Cook the pasta according to package instructions until al dente; drain and set aside.
In a large skillet, heat olive oil over medium heat and sauté garlic until fragrant.
Add marinara sauce to the skillet, stirring to combine with the garlic.
Mix in the cooked pasta and season with salt, pepper, and oregano.
In a separate bowl, combine ricotta cheese and half of the mozzarella cheese.
Layer half of the pasta mixture in a baking dish.
Spoon the ricotta mixture over the pasta, spreading it evenly.
Top with the remaining pasta mixture and sprinkle with the remaining mozzarella and Parmesan cheese.
Bake in the preheated oven for 25-30 minutes, or until bubbly and golden.