Microwave Spaghetti Bake

Prep: 10 min Cook: 35 min Serves: 4 Cuisine: Italian

A hearty microwave spaghetti bake combining savory beef, mushrooms, and tomato sauce, topped with Parmesan cheese—a quick, comforting meal perfect for busy weeknights.

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Ingredients

  • 1 medium onion, chopped
  • 1 (2 1/2 oz.) can sliced mushrooms, drained
  • 1 Tbsp. butter or margarine
  • 1 lb. ground beef
  • 2 (8 oz.) cans tomato sauce
  • 1 1/2 c. water
  • 1 1/2 tsp. Italian seasoning
  • 1 tsp. garlic salt
  • 1/4 tsp. pepper
  • 1/4 lb. uncooked spaghetti, broken in half

Instructions

  1. Combine chopped onion, drained sliced mushrooms, and butter in a 2-quart casserole. Microwave on High (100%) for 3 to 4 minutes or until onion is tender.
  2. Add ground beef to the casserole.
  3. Cover with waxed paper. Microwave on High (100%) for 6 to 8 minutes or until meat is pink in the center, stirring halfway through cooking.
  4. Drain off excess fat from the mixture.
  5. Stir in tomato sauce, water, Italian seasoning, garlic salt, and pepper.
  6. Cover and microwave on High (100%) for 4 to 5 minutes or until hot and bubbly.
  7. Stir in broken spaghetti noodles into the sauce.
  8. Cover with a tight-fitting lid or plastic wrap. Microwave on Medium (50%) for 25 to 30 minutes or until spaghetti is tender, stirring several times during cooking.
  9. Sprinkle with Parmesan cheese before serving.

Tips & Substitutions

For a creamier texture, consider adding a splash of cream or a dollop of sour cream to the sauce before mixing in the spaghetti. You can substitute ground turkey or chicken for the beef for a lighter option. If you don't have Italian seasoning, a mix of dried basil, oregano, and thyme will work well. For a twist, try incorporating some spinach or bell peppers into the mix.

Serving Suggestions

Serve this Microwave Spaghetti Bake with a side salad and garlic bread for a complete meal. For an extra touch, sprinkle some fresh basil or parsley on top before serving. It pairs beautifully with the Delicious Italian Soup for a comforting dinner. This dish is also great for meal prep, making it perfect for busy weeknights.

Storage & Reheating

Store any leftovers in an airtight container in the refrigerator for up to 3 days. To reheat, place the spaghetti bake in the microwave on medium power for 2-3 minutes, stirring halfway through, until heated through. You can also reheat it in the oven at 350°F (175°C) for about 15-20 minutes.

Nutrition & Diet Analysis (per serving)

Each serving of Microwave Spaghetti Bake contains roughly 408 calories, with 14g protein, 50g carbohydrates, and 18g fat. It is an excellent source of vitamin D (118% of the Daily Value), protein (29% of the Daily Value), and vitamin C (29% of the Daily Value), and a good source of dietary fiber and iron. Note that it is relatively high in sodium, at 604mg per serving (26% of the Daily Value).

408 kcal 20% DV
Protein Fat Carbs

Macronutrients

Protein 14.5g 29% DV
Total Fat 18g 23% DV
Carbs 50.1g 18% DV
Fiber 4.7g 17% DV
Sugar 9.3g 19% DV

Electrolytes

Sodium 603.8mg 26% DV
Potassium 667.3mg 14% DV
Cholesterol 4.8mg 2% DV

Vitamins & Minerals

Vitamin A 16.5mcg 2% DV
Vitamin C 26.4mg 29% DV
Vitamin D 23.6mcg 100% DV
Calcium 165.7mg 13% DV
Iron 3mg 17% DV
Contains Milk

Estimated from ingredients & per-serving nutrition — verify against package labels for allergies or strict diets.

* % Daily Values based on a 2,000 calorie diet (FDA 2020).

Frequently Asked Questions

Can I use whole wheat spaghetti instead of regular spaghetti?

Yes, you can substitute whole wheat spaghetti for a healthier option. Just be aware that it may require slightly longer cooking time to reach the desired tenderness. Stirring multiple times during cooking will help ensure even cooking.

What can I add to this recipe to make it more nutritious?

Adding vegetables like zucchini, bell peppers, or spinach can boost the nutritional value of this dish. You can sauté them with the onion and mushrooms at the beginning for added flavor. This aligns well with many Italian recipes that incorporate veggies.

Is it possible to make this dish vegetarian?

Absolutely! You can replace the ground beef with a plant-based meat substitute or use lentils for a hearty texture. Additionally, ensure that your tomato sauce is vegetarian-friendly, and consider adding more vegetables to enhance the flavor.

Nutrition is estimated from USDA FoodData Central ingredient data and may vary with brand, portion and preparation — see our methodology. This information is for general educational purposes only and is not medical or dietary advice (disclaimer).

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