Easy Meatless Spaghetti Recipe
Introduction
This easy meatless spaghetti is a flavorful and satisfying dish perfect for weeknight dinners. Packed with sautéed mushrooms and a savory tomato sauce, it’s a delicious vegetarian twist on a classic favorite. Ready in under 30 minutes, it’s great for busy cooks who want comfort food without the meat.

Ingredients
- 16 oz sliced mushrooms
- 1 medium yellow onion, diced
- 6 cloves garlic, minced or finely diced
- 1 tablespoon olive oil
- 1 tablespoon dried basil
- 1/2 teaspoon sea salt
- 1/4 teaspoon black pepper
- 25 oz pasta sauce
- 16 oz whole wheat spaghetti
- Block of Parmesan cheese, for grating
Instructions
- Step 1: Cook the spaghetti according to the package instructions until al dente. Drain and set aside.
- Step 2: In a large skillet, combine the mushrooms, diced onion, minced garlic, olive oil, dried basil, sea salt, and black pepper.
- Step 3: Sauté the mixture over medium heat for 7–10 minutes, until the mushrooms release their liquid and it mostly evaporates. If there is excess liquid remaining, drain the mixture using a strainer.
- Step 4: Pour the pasta sauce into the skillet with the mushroom mixture and stir well to combine. Heat through.
- Step 5: Serve the cooked spaghetti topped with the mushroom tomato sauce and freshly grated Parmesan cheese.
- Step 6: Enjoy your delicious meatless spaghetti!
Tips & Variations
- For extra flavor, add a splash of red wine to the mushrooms while sautéing.
- Use fresh basil instead of dried for a brighter taste.
- Try adding chopped spinach or zucchini for additional veggies.
- Substitute Parmesan with a vegan cheese to keep it fully plant-based.
Storage
Store any leftover spaghetti and sauce in an airtight container in the refrigerator for up to 3 days. Reheat gently in a saucepan or microwave, adding a splash of water if the sauce has thickened. For longer storage, freeze the sauce separately and thaw before serving with freshly cooked pasta.
How to Serve

Serve this delicious recipe with your favorite sides.
FAQs
Can I use other types of pasta for this recipe?
Yes, you can substitute whole wheat spaghetti with any pasta you prefer, such as penne, fettuccine, or gluten-free options.
How can I make this recipe vegan?
Simply omit the Parmesan cheese or replace it with a vegan cheese alternative to keep the dish entirely plant-based.
PrintEasy Meatless Spaghetti Recipe
This Easy Meatless Spaghetti is a wholesome and savory vegetarian pasta dish featuring sautéed mushrooms, onions, and garlic blended with flavorful herbs and a rich tomato-based pasta sauce, served over whole wheat spaghetti and topped with freshly grated Parmesan cheese. It’s a simple, hearty, and nutritious meal perfect for a quick weeknight dinner.
- Prep Time: 10 minutes
- Cook Time: 15 minutes
- Total Time: 25 minutes
- Yield: 4 servings 1x
- Category: Main Dish
- Method: Stovetop
- Cuisine: Italian
- Diet: Vegetarian
Ingredients
Vegetables and Aromatics
- 16 oz sliced mushrooms
- 1 medium yellow onion, diced
- 6 cloves garlic, minced or finely diced
Pan Sauce and Seasonings
- 1 tablespoon olive oil
- 1 tablespoon dried basil
- 1/2 teaspoon sea salt
- 1/4 teaspoon black pepper
- 25 oz jar pasta sauce
Pasta and Garnish
- 16 oz whole wheat spaghetti
- Block of Parmesan cheese, for grating
Instructions
- Cook the Spaghetti: Bring a large pot of salted water to a boil and cook the whole wheat spaghetti according to the package instructions until al dente. Drain and set aside.
- Sauté Vegetables: In a large skillet, combine the sliced mushrooms, diced onion, minced garlic, olive oil, dried basil, sea salt, and black pepper. Cook over medium heat, stirring occasionally.
- Cook Down Mushrooms: Continue to sauté the mixture for 7-10 minutes or until the mushrooms have released their moisture and most of the liquid has evaporated. If any excess liquid remains, drain the mixture using a strainer to keep the sauce from becoming watery.
- Add Pasta Sauce: Pour the 25 oz jar of pasta sauce into the skillet with the vegetables and stir well to combine. Heat through until warm.
- Serve: Plate the cooked spaghetti and top with the mushroom tomato sauce. Grate fresh Parmesan cheese over the top to taste.
- Enjoy: Serve immediately and enjoy your delicious, meatless spaghetti meal!
Notes
- You can substitute whole wheat spaghetti with any pasta of your choice.
- For a vegan version, omit the Parmesan cheese or use a plant-based alternative.
- If you prefer a spicier sauce, add red pepper flakes while sautéing the vegetables.
- Drain excess mushroom liquid to prevent the sauce from being watery.
- Leftovers can be refrigerated for up to 3 days and reheated on the stovetop or microwave.
Keywords: meatless spaghetti, vegetarian pasta, mushroom spaghetti, whole wheat spaghetti recipe, easy pasta sauce, healthy dinner

