Cheesy Baked Spaghetti Casserole

🥣 Instructions

1️⃣ Preheat & Prep

  • Preheat oven to 375°F / 190°C.
  • Grease a 9×13-inch baking dish.

2️⃣ Cook the Meat Sauce

  1. In a large skillet, cook ground beef with onion and garlic until browned.
  2. Drain excess fat.
  3. Stir in marinara sauce, Italian seasoning, salt, and pepper. Simmer 5–10 minutes.

3️⃣ Assemble the Casserole

  1. Mix cooked spaghetti with meat sauce in a large bowl.
  2. Pour half into the prepared baking dish.
  3. Sprinkle half of the mozzarella and Parmesan.
  4. Add remaining spaghetti mixture and top with remaining cheese.

4️⃣ Bake

  • Bake 20–25 minutes, until cheese is melted and bubbly.
  • Optional: broil 1–2 minutes for a golden top.

5️⃣ Serve

  • Let cool 5 minutes before slicing.
  • Garnish with fresh basil or parsley.

💡 Tips

  • Use a mix of mozzarella and cheddar for extra flavor.
  • Add vegetables like bell peppers or mushrooms to the sauce for variety.
  • Leftovers reheat well in the oven or microwave.
  • Make-ahead tip: Assemble casserole a day before and bake when ready.

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