This Grilled Portobello and Spinach Pasta Salad is a delightful blend of earthy flavors and fresh ingredients. Perfect for a light lunch or a side dish at dinner, this recipe combines the meaty texture of portobello mushrooms with the vibrant taste of fresh spinach and pasta. The addition of olive oil, minced garlic, and grated parmesan cheese brings everything together in a harmonious and satisfying dish.
If you don't usually stock portobello mushrooms or fresh spinach at home, you might need to pick these up at the supermarket. Portobello mushrooms are large, meaty mushrooms that are perfect for grilling, while fresh spinach adds a burst of color and nutrients. Make sure to also grab some olive oil, minced garlic, and grated parmesan cheese if you don't have them in your pantry.

Ingredients for Grilled Portobello and Spinach Pasta Salad
Portobello mushrooms: Large, meaty mushrooms that are perfect for grilling.
Fresh spinach: Adds a burst of color and nutrients to the salad.
Pasta: Choose your favorite type of pasta for this dish.
Olive oil: Used for grilling the mushrooms and dressing the salad.
Minced garlic: Adds a robust flavor to the salad.
Grated parmesan cheese: Provides a savory and salty finish to the dish.
Technique Tip for This Recipe
When grilling portobello mushrooms, ensure they are cleaned thoroughly by wiping them with a damp cloth or paper towel. Avoid washing them under running water as they can absorb moisture and become soggy. For an extra layer of flavor, marinate the mushrooms in a mixture of olive oil, minced garlic, and a splash of balsamic vinegar for about 15 minutes before grilling. This will enhance their natural umami taste and add depth to your pasta salad.
Suggested Side Dishes
Alternative Ingredients
portobello mushrooms - Substitute with cremini mushrooms: Cremini mushrooms have a similar texture and flavor profile, making them a good alternative for grilling.
portobello mushrooms - Substitute with eggplant slices: Eggplant has a meaty texture that works well when grilled, providing a similar mouthfeel to portobello mushrooms.
fresh spinach - Substitute with kale: Kale can be used as it has a similar leafy texture and can be eaten raw or lightly cooked.
fresh spinach - Substitute with arugula: Arugula offers a peppery flavor that can add a different but complementary taste to the salad.
your choice pasta - Substitute with whole wheat pasta: Whole wheat pasta provides more fiber and nutrients, making the dish healthier.
your choice pasta - Substitute with gluten-free pasta: For those with gluten intolerance, gluten-free pasta is a suitable alternative.
olive oil - Substitute with avocado oil: Avocado oil has a high smoke point and a mild flavor, making it a good substitute for grilling and dressing.
olive oil - Substitute with grapeseed oil: Grapeseed oil is neutral in flavor and also has a high smoke point, suitable for cooking and dressing.
minced garlic - Substitute with garlic powder: Garlic powder can be used in a pinch, though it lacks the fresh, pungent flavor of minced garlic.
minced garlic - Substitute with shallots: Shallots provide a milder, sweeter flavor that can complement the other ingredients well.
grated parmesan cheese - Substitute with pecorino romano: Pecorino Romano has a similar texture and a slightly sharper flavor, making it a good alternative.
grated parmesan cheese - Substitute with nutritional yeast: Nutritional yeast provides a cheesy flavor and is a great vegan alternative to parmesan cheese.
Other Alternative Recipes Similar to This Pasta Salad
How to Store or Freeze This Pasta Salad
- To store your grilled portobello and spinach pasta salad, first ensure it has cooled to room temperature. This prevents condensation and sogginess.
- Transfer the salad to an airtight container. This helps maintain the freshness of the spinach and the texture of the pasta.
- Place the container in the refrigerator. The salad will stay fresh for up to 3-4 days.
- If you plan to freeze the salad, note that fresh spinach may lose its crispness. For best results, consider adding the spinach fresh after thawing.
- To freeze, portion the salad into freezer-safe containers or heavy-duty freezer bags. Remove as much air as possible to prevent freezer burn.
- Label the containers with the date. This helps you keep track of how long the salad has been stored.
- When ready to eat, thaw the salad in the refrigerator overnight. This gradual thawing helps maintain the texture of the grilled mushrooms and pasta.
- Before serving, give the salad a good toss. You might want to add a bit more olive oil and parmesan cheese to refresh the flavors.
- Enjoy your grilled portobello and spinach pasta salad either chilled or gently warmed.
How to Reheat Leftovers
Stovetop Method:
- Heat a large skillet over medium heat.
- Add a splash of olive oil to the skillet.
- Add the leftover Grilled Portobello and Spinach Pasta Salad to the skillet.
- Stir occasionally until the pasta is heated through and the spinach is wilted, about 5-7 minutes.
- If the pasta seems dry, add a tablespoon of olive oil or a splash of water.
Microwave Method:
- Place the leftover pasta salad in a microwave-safe dish.
- Cover the dish with a microwave-safe lid or plastic wrap, leaving a small corner open to vent.
- Microwave on high for 1-2 minutes.
- Stir the pasta salad and check the temperature.
- Continue microwaving in 30-second intervals until heated through.
- Let it sit for a minute before serving.
Oven Method:
- Preheat your oven to 350°F (175°C).
- Place the leftover pasta salad in an oven-safe dish.
- Cover the dish with aluminum foil to prevent drying out.
- Bake for 15-20 minutes, or until the pasta is heated through.
- Remove the foil for the last 5 minutes of baking to allow the parmesan cheese to get slightly crispy.
Steam Method:
- Fill a pot with a couple of inches of water and bring it to a simmer.
- Place a heatproof bowl with the pasta salad over the simmering water, ensuring the bowl does not touch the water.
- Cover the bowl with a lid or aluminum foil.
- Steam for about 5-7 minutes, stirring occasionally, until the pasta is heated through.
Air Fryer Method:
- Preheat the air fryer to 350°F (175°C).
- Place the leftover pasta salad in an air fryer-safe dish.
- Heat for 5-7 minutes, shaking the basket halfway through to ensure even heating.
- Check the temperature and continue heating in 2-minute intervals if needed.
Best Tools for This Recipe
Large pot: Used to cook the pasta according to package instructions.
Colander: Essential for draining the cooked pasta.
Grill: Preheated to medium-high heat for grilling the portobello mushrooms.
Basting brush: Useful for brushing the portobello mushrooms with olive oil.
Tongs: Handy for flipping the mushrooms on the grill.
Cutting board: Provides a surface to slice the grilled mushrooms.
Chef's knife: Used to slice the grilled portobello mushrooms.
Large bowl: For combining the cooked pasta, grilled mushrooms, fresh spinach, minced garlic, and grated parmesan cheese.
Garlic press: Convenient for mincing the garlic cloves.
Measuring cups: To measure the olive oil and grated parmesan cheese.
Wooden spoon: Ideal for tossing the salad ingredients together.
Serving bowl: For presenting the finished pasta salad, whether served warm or chilled.
How to Save Time on Making This Pasta Salad
Pre-cook the pasta: Cook the pasta a day ahead and store it in the fridge. This saves time on the day you prepare the dish.
Use pre-washed spinach: Buy pre-washed spinach to eliminate the need for washing and drying.
Minced garlic in a jar: Use pre-minced garlic from a jar to save time on peeling and chopping.
Grill mushrooms in advance: Grill the portobello mushrooms ahead of time and store them in the fridge. Reheat briefly before adding to the salad.
Batch cook: Double the recipe and store leftovers for a quick meal later in the week.

Grilled Portobello and Spinach Pasta Salad
Ingredients
Main Ingredients
- 4 large portobello mushrooms
- 2 cups fresh spinach
- 8 oz pasta your choice
- 0.25 cup olive oil
- 2 cloves garlic minced
- 0.25 cup grated Parmesan cheese
- Salt and pepper to taste
Instructions
- Cook pasta according to package instructions. Drain and set aside.
- Preheat grill to medium-high heat.
- Brush portobello mushrooms with olive oil and season with salt and pepper.
- Grill mushrooms for 5 minutes on each side until tender. Remove from grill and slice.
- In a large bowl, combine cooked pasta, grilled mushrooms, fresh spinach, minced garlic, and grated Parmesan cheese.
- Drizzle with remaining olive oil and toss to combine. Season with salt and pepper to taste.
- Serve warm or chilled.
Nutritional Value
Keywords
Suggested Appetizers and Desserts for This Pasta Salad
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