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Recipe | Grilled Portabella Muffuletta Sandwich

Grilled Portabella Muffuletta Recipe

Grilled Portabella Muffuletta
Full disclosure: I have never had an actual muffuletta before, only vegetarian versions. So I can’t say, “Hey guys, this tastes just like a real muffuletta!” I really have no idea if it does. But it does taste just like a vegetarian muffuletta.

I decided to try to make this after I had a portabella muffuletta at Sandwhich in Chapel Hill. You know how sometimes you get something at a restaurant and it’s so good that you’re still thinking about it days later? Yeah, that happened. I figured that it would be easy enough to whip up at home–the grilled portabella was a no-brainer so all I really had to figure out was the olive salad. (If you’re a mushroom hater, grilled zucchini or eggplant can be used in this recipe instead of portabellas!)

Olive Salad
Although muffulettas are named after the bread they’re made on, to me, it’s the olive salad that makes the muffuletta. So this is my version. As my husband helped me chop things for this (oh, and there’s a lot of chopping!), he wondered how something made with so many nasty jarred ingredients could taste so good. Well, it just does! (And for the record, I love olives and marinated artichoke hearts and capers–Chris thinks they’re gross, though.) The longer you let the salad sit in the fridge, the better it tastes, so don’t hesitate to make this a day or two in advance.

Finding authentic muffuletta bread in Raleigh was a little bit difficult. The first time I made this, I used a round loaf of bread, but muffuletta bread is fairly flat and this bread was tall and fluffy so it just didn’t work. So then I switched to ciabatta. It doesn’t have the nice round shape of real muffuletta bread, but it’s flat and not too bready. Although anyone from New Orleans is probably giving me the side-eye right now, you could also put this on sourdough bread, Kaiser rolls, whatever. If you use slices of bread or rolls, instead of making one big sandwich, just make four individual sandwiches with a mushroom on each.

These vegetarian muffulettas are very picnic friendly. You can cut them up, wrap ’em, and let them sit in the fridge for up to a day. (I store mine upside down so the bread on the bottom doesn’t get soggy.)

Grilled Portabella Muffuletta Recipe

Grilled Portabella Muffuletta Sandwich

A vegetarian version of the classic muffuletta sandwich, made with grilled portabella mushrooms.
Prep Time: 20 minutes
Cook Time: 10 minutes
Total Time: 30 minutes
Servings: 4 sandwiches


Olive Salad

  • 1/2 c. sliced green olives + 1 tbsp. liquid from jar
  • 1/4 c. sliced kalamata olives
  • 1/4 c. cauliflower florets broken into very small pieces
  • 1/4 c. sliced jarred artichoke hearts
  • 1/4 c. diced roasted red peppers
  • 2 tbsp. diced celery
  • 5 pepperoncini thinly sliced
  • 1 garlic clove crushed
  • 1 tbsp. capers
  • 1 tbsp. olive oil
  • 1 tbsp. red wine vinegar
  • 1 tsp. dried oregano
  • freshly ground pepper


  • 1 large loaf ciabatta bread halved lengthwise
  • olive salad
  • 4 large portabella mushrooms gills removed
  • olive oil mister or cooking spray
  • salt + pepper to taste
  • 4 slices provolone cheese


Olive Salad

  • Combine all ingredients in small bowl. Cover and refrigerate for at least 8 hours (24 hours is best).


  • Preheat grill to high. Spray with olive oil and place mushrooms on grill. Season with salt and pepper. Cook mushrooms 5-10 minutes, or until softened. Transfer to plate and cool.
  • To assemble sandwiches, spread olive salad onto bottom of ciabatta bread. Top with mushrooms and cheese. Press the other half of the ciabatta loaf onto the top and use a sharp knife to cut into 4 equal segments. Serve immediately or wrap and refrigerate upside down for up to a day.


Prep time doesn't include time that salad marinates in the refrigerator.
Craving more veg-friendly recipes? Shop our collection of vegetarian and vegan cookbooks!

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  • Reply
    Robin (Masshole Mommy)
    May 14, 2013 at 6:01 am

    I’ve never had anything like this, but it sounds fantastic.

  • Reply
    AMitra @ Naan Bread
    May 14, 2013 at 3:52 pm

    Not a big fan of portabella! But this looks good. Must give it a try.

  • Reply
    Natalie @ Once Upon a Cutting Board
    May 14, 2013 at 6:17 pm

    I had to look up what a muffuletta sandwich is because I don’t think I’ve ever had one before either, but this version looks like the only one I’d ever want!

    • Reply
      May 15, 2013 at 4:36 pm

      Nat – you must have forgotten that our Dad used to make a huge muffuletta sandwich for dinner every once in a while. I dont’ remember exactly what went on it, but I do remember that the combination of flavours and ingredients was a bit too strong and sophisticated for my taste buds! Now that my tastes have grown up a bit, I think I would love your vegetarian version (and I would probably prefer it on ciabatta bread too)!

      • Reply
        May 16, 2013 at 7:37 pm

        Yes, I can definitely see how a muffuletta isn’t exactly kid-friendly! πŸ™‚ But I bet you’ll like them now!

  • Reply
    McKel | Nutrition Stripped
    May 14, 2013 at 9:03 pm

    You had me at grilled portabella! This looks so delicious, love your recipes per usual πŸ˜‰

  • Reply
    May 14, 2013 at 10:42 pm

    this looks so good.. love portabello mushrooms.. just LOVE them!

  • Reply
    dixya| Food, Pleasure, and Health
    May 15, 2013 at 10:20 am

    i have never had this bread but the idea of portabella mushroom and other chopped ingredients just sounds too delicious!

  • Reply
    Robbin Z.
    May 15, 2013 at 10:22 pm

    Yum! This sounds so doable.

    Just out of curiosity, do you recommend Sandwhich? I’m at Carolina, and I usually try to drag my boyfriend to Med Deli, but he isn’t a fan. This might be a great alternative!

    • Reply
      May 16, 2013 at 7:32 pm

      Yes! We go there pretty much anytime we’re in Chapel Hill. They’ll make just about anything on the menu vegetarian, which is nice. And they have harissa ketchup. πŸ™‚

  • Reply
    May 15, 2013 at 11:42 pm

    Oh I’ve had quite a few muffulettas and this looks like the real thing, but of course it’s missing the meat. However, I love the substitution with the grilled portabella. I love grilled portabella burgers so I know I would love this one! Great sandwich!

    • Reply
      May 16, 2013 at 7:31 pm

      If you like muffulettas and you like portabella burgers, you will definitely love this sandwich!

  • Reply
    ashley - baker by nature
    May 16, 2013 at 12:02 am

    Girl… this… this needs to be my lunch like right now. And it’s not even lunch time.

  • Reply
    Kiran @
    May 16, 2013 at 1:05 am

    Oh. my. yum. πŸ˜€

  • Reply
    Batya (Sparrows & Spatulas)
    May 16, 2013 at 5:43 pm

    Oh I haven’t had a muffuletta since I moved from New Orleans– and that’s almost 10 years ago! This version sounds amazing. It also looks *perfect* for the picnics we are having this weekend, which be at the Jazz Fest in Five Points neighborhood in Denver. Jazz + muffulettas?! Yup, that will work!

    • Reply
      May 16, 2013 at 7:06 pm

      It is clearly meant to be! πŸ˜€

  • Reply
    Miss @ Miss in the Kitchen
    May 17, 2013 at 11:38 pm

    Wow this looks like such a great sandwich packed with wonderful flavors!

  • Reply
    Marie @ Not Enough
    May 18, 2013 at 5:49 am

    Can I be honest here? I had never heard of muffuletta sandwich before… But gosh, your sandwich sounds delicious!
    The idea of storing it upside down in the fridge so it doesn’t get soggy is great, thanks for this tip!

    • Reply
      May 20, 2013 at 8:29 pm

      The first time I heard of a muffuletta was maybe 3-4 years ago? It’s definitely a little more obscure than a BLT or grilled cheese. πŸ™‚

  • Reply
    May 19, 2013 at 10:44 pm

    Had this for dinner tonight. Yum. I am really glad I found your blog; I have made three of your recipes in the past few weeks and all three were very delicious. I am new at being a vegetarian and I am really grateful for all the great recipes you post.

    • Reply
      May 20, 2013 at 8:12 pm

      Thank you for your comment! πŸ™‚ I’m so glad you enjoyed it!

  • Reply
    Lisa @ Greek Vegetarian
    May 20, 2013 at 12:45 am

    Now THIS looks incredible! I love all that marinated jarred stuff as well (although I find artichokes just a little over-powering). Grilled portobella mushrooms are the best aren’t they? LOVE THEM.

  • Reply
    Sonja / A Couple Cooks
    May 20, 2013 at 2:33 pm

    Yum! I’ve always wanted to try a muffaletta. This sounds perfect! Thanks for the reminder πŸ™‚

  • Reply
    Courtney @ The Fig Tree
    May 24, 2013 at 11:05 pm

    Yummmmmm! I love olives of all kinds and I love artichoke hearts! The olive salad sounds amazing. I’ll definitely make some to have in the fridge for sandwiches and stuff throughout the week. Thanks for sharing! xo

    • Reply
      May 26, 2013 at 8:19 pm

      Yeah, with the vinegar and olive juice, I’m pretty sure the olive salad would last a full week in the fridge. πŸ™‚

  • Reply
    Mushrooms Canada
    June 4, 2013 at 12:30 pm

    I’ll certainly be thinking of this one for days! WOW what a sandwich!! Thanks for sharing this tasty recipe…


  • Reply
    Renu Das
    July 16, 2018 at 11:37 pm

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  • Reply
    July 16, 2018 at 11:38 pm

    Thanks for sharing this wonderful article with us.

  • Reply
    July 16, 2018 at 11:38 pm

    5 stars
    Thank you Sir , The A1 Article

  • Reply
    July 16, 2018 at 11:39 pm

    5 stars
    Nice Post

  • Reply
    January 28, 2019 at 3:19 am

    nice post.. thanks for sharing..

  • Reply
    March 19, 2019 at 3:05 am

    I had never heard of muffuletta sandwich before… But gosh, your sandwich sounds delicious!
    The idea of storing it upside down in the fridge so it doesn’t get soggy is great, thanks for this tip!

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