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Grilled Portobello Mushroom Tacos

Published: / Updated: / 26 Comments

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These vegetarian grilled portobello mushroom tacos are satisfying, healthy, TASTY, and make the perfect summer meal.

close-up of portobello mushroom tacos with lime wedge

I'm very excited about these tacos! My goal was to make a vegetarian taco recipe that's hearty, filling, flavorful, and summery.

I set lofty goals.

sliced grilled portobello mushrooms on a white plate

I originally planned to make a chipotle chili pepper sauce for these tacos, but I ended up forgetting to buy them.

I had already made another trip to the grocery store for another forgotten recipe item (get your sh*t together, Natasha!), so I thought I would make do. Well... necessity is the mother of invention, as they say, and I don't regret a thing.

three vegetarian grilled portobello mushroom tacos beside lime wedges

If you've never had grilled portobello mushrooms, you really need to try them. That extra bit of smoky flavor is a game-changer. 30 minutes prior to grilling, I coated the mushrooms in a tasty blend of oil, lemon, and various herbs & spices. That infusion of flavor really sets these tacos apart.

I topped the tacos with:

  • A quick homemade guacamole
  • Little tomatoes
  • Red onions
  • A drizzle of Greek yogurt (an excellent sour cream substitute!)
  • Chopped cilantro
  • Iceberg lettuce
  • A squeeze of lime

These toppings create a satisfying mix of textures and flavors in this healthy taco recipe. Throwing the flour tortillas on the grill briefly prior to serving the tacos also adds an extra layer of deliciousness.

Grilling the mushrooms is easy. Six minutes/side and you're good to go. Nothing will come between you and these tacos.

Love tacos? You may also like some of my other taco recipes:
Buffalo Chicken Tacos
Healthy Salmon Tacos
Summer Steak Tacos

three healthy mushroom tacos and lime wedges

Will you give these portobello mushroom tacos a try?

Talk to me in the comments below!

These vegetarian grilled portobello mushroom tacos are satisfying, healthy, TASTY, and make the perfect summer meal.

Portobello Mushroom Tacos

Satisfying grilled portobello mushroom tacos that will even please the meat-eaters! 
5 from 5 votes
Print Recipe Pin Recipe
Prep Time 5 mins
Cook Time 12 mins
Marinade time 30 mins
Total Time 47 mins
Course Main Course
Cuisine Tex-Mex
Servings 8 tacos

Ingredients
 

  • 4 large portobello mushrooms stems removed

Marinade:

  • 1/2 teaspoon ground cumin
  • 1/2 teaspoon garlic powder
  • 1/2 teaspoon chili powder
  • 1/2 teaspoon smoked paprika
  • Salt & pepper to taste
  • Juice of 1/2 lemon
  • 1/4 cup olive oil

Quick guacamole:

  • 1 avocado
  • 1 clove garlic minced
  • Juice of 1/2 lime 
  • Salt & pepper to taste

Other/Toppings:

  • 8-10 medium flour tortillas
  • Iceberg lettuce shredded, to taste
  • Little tomatoes halved, to taste
  • Greek yogurt or sour cream to taste
  • Red onion chopped, to taste
  • Cilantro chopped, to taste 
  • Lime wedges for serving 

Instructions
 

  • In a small bowl, stir together the marinade ingredients. Coat the mushrooms with the marinade (I just used my hands), and let them sit for 30 minutes. 
  • Meanwhile, prep the other ingredients. In a small bowl, mash the guacamole ingredients together using a fork. Set aside until needed.
  • Preheat your BBQ/grill to high. Reduce the heat to medium-high and grill the mushrooms for about 6 minutes/side, turning once, for a total of 12 minutes (or until they're cooked through). Just prior to serving the tacos, warm the tortillas on the grill for about 10-20 seconds/side or until they've got char marks to your liking. 
  • Once the mushrooms are cooked, slice them into smaller pieces. Top the tacos with all the toppings and the mushrooms. Eat immediately. 

Notes

  • I used a gas BBQ to grill the mushrooms. Keep in mind every BBQ/grill/grill pan varies, so adjust cooking time accordingly. 
  • I only put 5 min of prep time because I'm including most of it in the 30 minutes of inactive time (you can prep while the mushrooms marinate). 
  • This recipe feeds 2 people who are reasonably hungry. If you're concerned, add another mushroom or two and serve with lots of toppings.
Keyword portobello mushroom tacos
Author Natasha Bull
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  1. Sheila says

    5 stars
    Ww were at a big outdoor bash recently and the caterers served mushroom tacos as the meatless alternative. We were so impressed with the flavors that I searched for a recipe with similar ingredients and found yours! Absolutely wonderful and very easy to make. Thank you so much!

    Reply

  2. Melissa Blaseck says

    5 stars
    Hello- this recipe is mouth watering delicious! I had to change out the yogurt for dairy free yogurt. I used the silk vanilla with the guacamole and lime wedges. Together with the spicy portabello mushrooms grilled- Absolutely delicious.

    Thanks so much for the recipe😊

    Reply

  3. John Eberhard says

    I don't have a grill. Should I cook them using the oven broiler and if so for how long? Or should I cook them on the stove top at what temperature and for how long?

    Reply

    • Natasha says

      Hi John! It's hard to speculate without testing. I've cooked portobello mushrooms in the oven before at like 400F in a baking dish (add a bit of olive oil so they don't stick) until they're done (I'd say at least 15-20 minutes), so you could try that.

      Reply

  4. Cassidy says

    5 stars
    These are easily my favorite tacos to eat and make! The mushrooms are so, so good. They come out perfectly every time.

    Reply

  5. Ann Douglas says

    5 stars
    Very easy to make and taste great! I did not use a grill, I did stovetop. I never post comments but they were so good that I wanted other to know.

    Reply

  6. Christine says

    Loved it this recipe!!! I made some rhubarb salsa to accompany, as we have tons right now! Great dinner for a hot summer day!!!

    Reply

  9. James | Thyme to Mango says

    My nearest supermarket is a three minute drive from my house - but by the time I've made the trip there for the hundredth time in a single day, for ANOTHER forgotten ingredient, it feels like the longest trek in the world! So many recipes and meals have changed design because the thought of going to the store, again, was not met with any enthusiasm!

    Forgotten ingredients aside, these Tacos look amazing!

    Reply

  10. Dawn - Girl Heart Food says

    I love tacos and I love mushrooms so these are totally calling my name, Natasha! I've never had a mushroom taco before and these look like a great place to start - perfect for Meatless Monday 🙂

    Reply

    • Natasha says

      Thanks, Dawn!! I agree. I hadn't tried them either til I made them, and I was definitely happy with the results.

      Reply

  11. Robyn Gleason says

    Oh my goodness, this is my kind of taco! I adore grilled portobellos but I often forget about doing them in the busy summer months. Love the marinade too, Natasha - a perfect meal. Sharing 🙂

    Reply

    • Natasha says

      Thanks so much, Robyn. I know - me too! I haven't thought about tacos in ages somehow. Hope you enjoy them!

      Reply

  12. Lindsay | With Salt and Pepper says

    Yes, yes, YES!!! Love any kind of taco. And these look so satisfying, even without the meat 🙂

    Reply