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Monterey Spaghetti

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Monterey Spaghetti is a creamy baked pasta casserole made with tender spaghetti, sour cream, Monterey Jack cheese, spinach, and crispy french-fried onions. It’s a comforting, family-friendly dish perfect as a side or light main.

  • Author: Sophia
  • Prep Time: 10 minutes
  • Cook Time: 35 minutes
  • Total Time: 45 minutes
  • Yield: 4 servings (side) or 2–3 (main)
  • Category: Casserole
  • Method: Baking
  • Cuisine: American
  • Diet: Vegetarian

Ingredients

  • 4 ounces dry spaghetti, broken into 2-inch pieces
  • 1 large egg
  • 1 cup sour cream
  • 1/4 cup grated Parmesan cheese
  • 1/4 teaspoon garlic powder
  • 2 cups shredded Monterey Jack cheese
  • 10 ounces frozen chopped spinach, thawed and thoroughly drained
  • 1 can (2.8 ounces) french-fried onions, divided

Instructions

  1. Preheat oven to 350°F (175°C) and lightly grease a 2-quart baking dish.
  2. Cook spaghetti according to package directions until just al dente. Drain well and set aside.
  3. In a large mixing bowl, beat the egg. Add sour cream, Parmesan cheese, and garlic powder. Mix well.
  4. Stir in cooked spaghetti, shredded Monterey Jack cheese, drained spinach, and half the french-fried onions. Mix until evenly coated.
  5. Transfer mixture to prepared baking dish. Cover with foil and bake for 30 minutes.
  6. Remove foil, sprinkle remaining onions on top, and bake an additional 5 minutes until golden and crisp.
  7. Let rest a few minutes before serving.

Notes

  • Drain spinach thoroughly to prevent a watery casserole.
  • Add onions only at the end for maximum crunch.
  • Can be assembled ahead and baked later.
  • Pairs well with salad or roasted vegetables for a full meal.

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