. Preheat your oven to 350°F (175°C). Cook the spaghetti according to package instructions until al dente. Drain and set aside.
. In a large skillet, cook the ground beef over medium-high heat until browned. Drain any excess fat.
. Add the chopped onion, green bell pepper, and minced garlic to the skillet. Sauté until the vegetables are tender.
. Stir in the marinara sauce, dried oregano, dried basil, salt, and black pepper. Simmer for about 5 minutes.
. In a greased baking dish, layer half of the cooked spaghetti, followed by half of the sauce mixture, and half of the mozzarella and Parmesan cheese. Repeat the layers.
. Cover the baking dish with aluminum foil and bake for 30 minutes.
. Remove the foil and bake for an additional 10-15 minutes, or until the cheese is bubbly and golden brown.
. Garnish with fresh basil leaves if desired and serve hot!
Enjoy your delicious Oven Baked Spaghetti!
