Balsamic Steak Stuffed Portobellos with Pistachio Pesto

These balsamic steak stuffed portobellos are topped with a bright pistachio pesto and make for a delicious and fancy looking dinner!

These balsamic steak stuffed portobellos are topped with a bright pistachio pesto and make for a delicious and fancy looking dinner!

As of yesterday, we’re a 2 dog household. My brother is in Colorado, his wife is in France and my parents who have 3 dogs of their own refused to watch another so, we now have Mack.

Mack and Ginger love each other and individually they’re both awesome.

They go out, do their thing, sleep peacefully and pretty much only bark when a delivery guy of some sort shows up.

However, they are both most definitely ONLY CHILDREN. Together, they’re like an ADD child on redbull, vodka and bath salts all at once.

There’s whining, chasing each other around the house (on all wood floors which makes it like the cartoons where their legs move at a ridiculous speed but they go nowhere for a few seconds), more whining, jumping, whining again, constant water drinking (and dripping), more whining, panting, whining, up and down the stairs, whining, not sleeping, whining, still not sleeping, whining…

These balsamic steak stuffed portobellos are topped with a bright pistachio pesto.

In other words, I’m about to lose my shit and it’s been precisely 16 hours since Mack has been here.

One night of no sleep and I could cry. THIS is why I choose to not have children.

A dog can bring me to my knees in less than a day. God only knows what a baby could do.

Before Mack got here yesterday I decided to get a bit fancy with our dinner and stuff some gorgeous looking portobellos with a balsamic brown sugar marinated skirt steak.

These balsamic steak stuffed portobellos make for a delicious and fancy looking dinner!

We ate these while 2 crazy bird dogs ran around the kitchen table like we were in a circus.

Not exactly what I imagined as I drizzled the pistachio pesto over these for their little photo shoot earlier in the day.

They were unbelievably delicious with the sweet sticky steak and the bright pesto but as the week rolls on and I’m working off maybe 3 hours of sleep a night, it may end up being Annie’s mac ‘n cheese out of a box on Friday at best.

Love this balsamic steak stuffed portobellos with pistachio pesto recipe?

Try these portobello recipes: Portobello Mushroom Egg BakesJalapeno Cilantro Hash Stuffed Portobellos, and Black Garlic Cheese and Turkey Stuffed Portobello Mushrooms.

Balsamic Steak Stuffed Portobellos with Pistachio Pesto

Balsamic Steak Stuffed Portobellos with Pistachio Pesto

Yield: 4 servings
Prep Time: 10 minutes
Cook Time: 20 minutes
Total Time: 30 minutes

These balsamic steak stuffed portobellos are topped with a bright pistachio pesto and make for a delicious and fancy looking dinner!


  • 6 portobello mushroom caps
  • 1 tablespoon extra virgin olive oil
  • salt & pepper
  • 1 pound skirt steak
  • 3 tablespoons balsamic vinegar
  • 1 tablespoon brown sugar
  • 1 garlic clove, minced
  • 2 cups baby arugula

For the Pistachio Pesto

  • 4 cups basil
  • 1/4 cup unsalted pistachios
  • 1/4 cup grated parmesan cheese
  • 1 garlic clove
  • juice of 1/2 a lemon
  • 1/4 cup extra virgin olive oil
  • salt & pepper


  1. Preheat the oven to Hi-Broil and grease a broiling pan with baking spray.
  2. Place the steak in shallow bowl and season generously with salt & pepper. Add the balsamic vinegar, brown sugar and minced garlic and turn the steaks over a few times to coat. (The steaks can marinate like this for 1 hour up to overnight if you have the extra time. Otherwise, you can cook them immediately too).
  3. Broil the steak for 10-12 minutes until medium-rare. Remove from the oven and let sit.
  4. While the steak rests, turn the oven to 400 degrees, grease a baking sheet and place the portobello caps on the sheet. Drizzle with the olive oil and season with salt & pepper.
  5. Bake the portobellos for 10 minutes until they start to shrink and expel their water.
  6. While the mushrooms cook, slice the steak into thin strips.
  7. Remove the mushrooms from the oven, drain the water from the caps and set aside.

For the Pistachio Pesto

  1. Combine the basil, pistachios, parmesan, garlic, lemon juice and salt & pepper in a food processor.
  2. Process and drizzle the olive oil in with the processor running. Scrape down the sides a few times until creamy.

To Assemble

  1. Place a handful of arugula on top of each mushroom cap.
  2. Top with sliced steak and drizzle the pesto over the top.
  3. Garnish with chopped pistachios.


Please leave a comment & rating below or share a photo on Instagram and tag @runningtothekitchen



  1. Taylor @ Food Faith Fitness

    I saw these on Insta yesterday and could not wait for the recipe, and it definitely lived up to my hopes! These look so good Gina, I am loving that you made pesto out of pistachios! As for the crazy dog situation, that sounds awful. I have one dog and that is PLENTY. However this “together, they’re like an ADD child on redbull, vodka and bath salts all at once. ” made me giggle!

  2. Ysabela

    Wow! I really love the way you presented the food. And this recipe is not only delicious but also healthy since pistachios help lower cholesterol level. I can’t wait to try this on my kitchen!

  3. Aparna B.

    You and I share the same sentiment about children. I love ’em, I just don’t want any for my own. My awkward little four-legged fur kid is enough trouble for me kthx. Sir Stumpington think he’s a big dog, therefore barks LOUDLY when someone rings the doorbell and/or knocks or he hears something outside the front door; he whines and cries when he doesn’t get laptime, fetch time or laser-chasing time; he whines and cries when REB and I are snuggling on the couch reading, watching tv, whatever because he’s jealous and/or just a whiny baby….the list goes on and on. But I wouldn’t change it for the world. And I also don’t want to bring another dog into that because then he’d have to share us and that would probably ensue more whining. …. I digress. I would totally make these and just leave out the steak. Sounds delicious!

  4. Carrie @ Bakeaholic Mama

    I don’t know Gina….. my dogs cause me more stress than the kids I swear. I wanted to cry at the wee hour of 3am today because Tobin would not go the F to sleep. I must have let him and Syd out 4 times in the middle of the night. It was like I was on Newborn duty all over again… One dog I could handle, but adding a cracked out midget puppy to the house created all types of chaos!

    These mushrooms look pretty fantastic. I love that pesto, never ever thought of using pistachio, such a great idea!

  5. Julie

    Oh wow. These look SO good. My husband might eat actually pesto with the switch to pistachios. Also, your presentation looks magazine cover beautiful.

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  7. Jennie @themessybakerblog

    You poor dear. My pup does the same thing when he’s around other dogs; except, since he’s a he, he humps everything. He’s fixed, but he hasn’t lost the urge. I feel for ya. Your photos are stunning. I love everything about this recipe. I think steak and mushrooms are just about the best combo ever.

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