Instructions: How to Make Baked Spaghetti Casserole
Step 1: Cook the Spaghetti
Start by cooking the spaghetti according to the package instructions. Make sure to cook it al dente since the pasta will continue to cook in the oven. Drain the pasta and set it aside.
Step 2: Prepare the Meat Sauce
While the pasta is cooking, heat a large skillet over medium heat. Add the ground beef and cook it until browned, breaking it up with a spoon as it cooks. Once the meat is fully browned, drain any excess fat.
Add the onion and garlic to the skillet with the meat. Sauté until the onion becomes soft and translucent, about 3-4 minutes.
Next, stir in the marinara sauce, oregano, basil, and red pepper flakes (if using). Season with salt and pepper to taste. Let the sauce simmer for about 10 minutes, allowing the flavors to meld together.
Step 3: Combine Pasta, Meat Sauce, and Cheese
Preheat your oven to 350°F (175°C). Lightly grease a 9×13-inch baking dish.
In a large bowl, combine the cooked spaghetti and the meat sauce, mixing gently to coat the pasta in the sauce. If you’re using ricotta cheese, stir it in at this point for added creaminess.
Step 4: Layer the Casserole
Spread half of the pasta mixture into the bottom of the prepared baking dish. Sprinkle with 1/2 cup of mozzarella cheese and 1/4 cup of Parmesan cheese. Add the remaining pasta mixture on top and spread it out evenly.
Top the casserole with the remaining 1 cup of mozzarella cheese and the remaining 1/4 cup of Parmesan cheese.
Step 5: Bake the Casserole
Cover the baking dish with aluminum foil and bake for 25 minutes. After 25 minutes, remove the foil and bake for an additional 10-15 minutes, or until the cheese is melted and bubbly and the casserole is heated through.
Step 6: Garnish and Serve
Once the casserole is done, remove it from the oven and let it cool for a few minutes before serving. Garnish with fresh parsley for a pop of color and freshness.
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