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A White casserole dish with the finished recipe.
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Baked Spaghetti

This baked spaghetti casserole is a family favorite and really easy to make.
Course Main Course
Cuisine Italian
Keyword pasta dinner
Prep Time 15 minutes
Cook Time 1 hour 15 minutes
Total Time 1 hour 30 minutes
Servings 8
Calories 525kcal
Author Elizabeth

Ingredients

  • 1 tablespoon Olive Oil
  • 1 Small Onion finely diced
  • 3-4 Garlic Cloves minced
  • ¼ teaspoon Dried Oregano
  • 1 pound Mild Italian Sausage casings removed and torn into small pieces or use bulk sausage
  • 28 ounce Diced Fire Roasted Tomatoes
  • 24 ounce Jar Marinara or other Meatless Pasta Sauce use your favorite brand and variety
  • 12 ounces Spaghetti cooked to package directions for al dente and drained
  • Salt for the Pasta Water we used kosher salt
  • cups Shredded Mozzarella Cheese
  • Chopped Parsley for garnish if desired

Instructions

Make the sausage pasta sauce

  • Heat the olive oil in a large, deep skillet or pot over medium heat. Add the onions and cook for 3 minutes or so, until they start to soften and become translucent. Stir frequently.
  • Add the garlic and oregano, cook 1 minute, stirring frequently.
  • Add the sausage to the skillet and raise the heat to medium-high. Stir the sausage while breaking up any large pieces using a wooden spoon or a spatula. Cook for approximately 5 minutes or until browned.
  • Add the diced tomatoes and the pasta sauce and stir well. Bring the sauce to a simmer, lower heat to medium-low and cover.
  • Cook the sauce for 30-35 minutes keeping it at a simmer. If it starts boiling too vigorously, lower the heat a little bit. Stir occasionally.

Make the spaghetti casserole

  • Preheat the oven to 350°F
  • Bring a large pot of water to a boil. Cook the spaghetti according to package directions for al dente. Remember to salt the water. When the spaghetti is done drain it well.
  • Use a large, deep and oven-proof casserole dish or baking pan at least 11x7 inches. Add a layer of meat sauce to the bottom of the casserole dish, enough to cover.
  • Add a layer of spaghetti, sprinkle about ½ cup of shredded cheese. Repeat layering: sauce, spaghetti, cheese, until all of the ingredients are used up. End with the tomato sauce on top.
  • Reserve at least ½ cup of cheese to melt on top at the end.
  • Bake the spaghetti for 30 minutes. Remove from the oven and top with the remaining cheese. Place it back in the oven and bake for 3-5 minutes or until the cheese melts.
  • Let the casserole rest for a few minutes before serving. Garnish with chopped parsley, if desired.

Video

Notes

If the sausage renders a lot of excess grease drain some, if desired. An easy way to do this is to take the skillet off the heat. Mound the sausage on one side of the skillet and gently tip it so that the excess oil pools on the other side of the sausage. Use a ladle or a large spoon to scoop out some of the excess oil.
Place the casserole dish on a baking sheet, if it bubbles over it won’t make a mess of your oven.

Nutrition

Calories: 525kcal | Carbohydrates: 44g | Protein: 24g | Fat: 28g | Saturated Fat: 11g | Cholesterol: 71mg | Sodium: 1236mg | Potassium: 571mg | Fiber: 4g | Sugar: 8g | Vitamin A: 1002IU | Vitamin C: 10mg | Calcium: 242mg | Iron: 3mg