Mushroom & Caramelized Onion Quesadillas

Mushroom & Caramelized Onion Quesadillas with pepperjack cheese & arugula. A perfect, hearty vegetarian dinner. Find the recipe at Shutterbean.com!

New recipe alert! Mushroom & Caramelized Onion Quesadillas

Sweet dreams are made of these. Who am I to disagree?

Mushroom & Caramelized Onion Quesadillas // shutterbean

That song is currently playing while Casey’s upstairs getting Cooper ready for his bath. Oh, wait. Now the Red Sox game is on. Dang. I was just getting into the groove here. It’s nighttime while I type this. I’m eating what’s left of these quesadillas. They’re actually cold because I made them earlier. Still delicious and I’d say it’s a few steps up from eating popcorn for dinner.  No judgment on that. Seriously.  You can taste the sweetness of the caramelized onions, the pepperiness from the arugula, and the meatiness of the portobello mushrooms in this cold quesadilla I’m eating.  My only regret is that I skimped on the pepper jack in this particular quesadilla. Dang it. Oh well.

Mushroom & Caramelized Onion Quesadillas // shutterbean

I did eat my fair share this afternoon, and they were hot then.  This recipe comes from the new cookbook What Katie Ate on the Weekend. Boy, is this book one heck of a cookbook. The paper quality is supreme and so are the photos. If you want to daydream and have serious wanderlust, then get yourself a copy. The recipes are just as wonderful as the pictures! Bravo, Katie! Now excuse me, I have a Red Sox game to lower the volume on and a few last bites of quesadilla to eat.

And we’re off!

When I went to make this recipe with flour tortillas, I pulled them out of the fridge and realized I didn’t have enough. Also, one was broken. Fail.

So I substituted corn for flour in the original recipe. If you have flour, use flour! But if you want a gluten-free version and you like corn tortillas like my boys, then go CORN.

(you’ll need 8 flour tortillas instead of 10 corn)

Mushroom & Caramelized Onion Quesadillas // shutterbean

First we are going to caramelize some onions.

Mushroom & Caramelized Onion Quesadillas // shutterbean

Onions go in. They soften and then we add in the brown sugar & balsamic vinegar.

Mushroom & Caramelized Onion Quesadillas // shutterbean

Yaaaaaas.

Mushroom & Caramelized Onion Quesadillas // shutterbean

We put the onions in a bowl. Set aside. Clean out the pan and we put the mushrooms in!

Mushroom & Caramelized Onion Quesadillas // shutterbean

I should have used a bigger pan. Oh well! Batches!

Mushroom & Caramelized Onion Quesadillas // shutterbean

Garlic and thyme.

Mushroom & Caramelized Onion Quesadillas // shutterbean

After the mushrooms have softened we add the garlic and thyme. Season with salt and pepper.

Mushroom & Caramelized Onion Quesadillas // shutterbean

And we’re ready to assemble our quesadillas!

Mushroom & Caramelized Onion Quesadillas // shutterbean

Cheese layer. Add more than this. COME ON, TRACY.

Mushroom & Caramelized Onion Quesadillas // shutterbean

Onions & mushrooms!

Mushroom & Caramelized Onion Quesadillas // shutterbean

Arugula and more cheese!

Mushroom & Caramelized Onion Quesadillas // shutterbean

Assembly line!

Mushroom & Caramelized Onion Quesadillas // shutterbean

From the side!

Mushroom & Caramelized Onion Quesadillas // shutterbean

Top with the rest of the tortillas.

Mushroom & Caramelized Onion Quesadillas // shutterbean

Get your grill pan heated up!  Drizzle the pan with some olive oil. Grill!

Mushroom & Caramelized Onion Quesadillas // shutterbean

Before flipping, drizzle the top with olive oil.

Mushroom & Caramelized Onion Quesadillas // shutterbean

INSIDE!

Mushroom & Caramelized Onion Quesadillas // shutterbean

Done.

Mushroom & Caramelized Onion Quesadillas // shutterbean

Cut them into quarters.

 

Mushroom & Caramelized Onion Quesadillas // shutterbean

Sour cream topping. Hot sauce topping. Lemon juice for a little something something.

Mushroom & Caramelized Onion Quesadillas // shutterbean

WHAT!!!

Mushroom & Caramelized Onion Quesadillas // shutterbean

They’re good enough to eat cold!

Mushroom & Caramelized Onion Quesadillas

serves 4-5

recipe adapted from What Katie Ate on the Weekend
Reprinted by arrangement with Avery Books, a member of Penguin Group (USA) LLC, A Penguin Random House Company. Copyright © Katie Quinn Davies, 2015.

  • 3 tablespoons olive oil, plus more for grill pan
  • 2 onions, thinly sliced
  • 1 tablespoon brown sugar
  • 1/3 cup balsamic vinegar
  • 1 tablespoon unsalted butter
  • 4 portobello mushrooms, thinly sliced
  • 3 large cloves garlic, finely chopped
  • 3 sprigs thyme, leaves stripped
  • kosher salt & fresh cracked pepper
  • 10 corn tortillas
  • 1  1/2 cups shredded pepperjack cheese
  • 2 large handfuls baby arugula
  • sour cream, lemon wedges & hot sauce, for serving

Heat half the oil in a skillet over low heat. Add the onion and cook, stirring for 10-12 minutes or until soft. Add the sugar and balsamic vinegar and cook, stirring, for 7 minutes or until onion is caramelized and the liquid has reduced. Transfer onion mixture to a bowl and wipe the skillet clean.

Heat the butter and remaining oil in the skillet over medium heat. Add half the mushrooms and cook down until there’s more room in the skillet for the rest. Add the garlic and thyme to the mushrooms. Season with salt and pepper and continue to cook until the mushrooms have completely softened. Remove the pan from the heat and set aside.

Top 5 corn tortillas with cheese, onions, mushrooms, followed by arugula and another sprinkle of pepperjack cheese. Top each loaded tortilla with another corn tortilla.

Heat a grill pan or a large nonstick skillet over medium-high heat. Drizzle a little bit of olive oil on the grill and cook each side for 3 to 4 minutes, or until cheese starts to melt and grill marks have formed on the tortilla. Befor flipping, drizzle tops with additional olive oil, then flip and cook for another 3 to 4 minutes. Continue process with the rest of the quesadillas. To serve, cut quesadillas into quarters, place a dollop of sour cream and a dash of hot sauce. Serve hot with lemon wedges for garnish.

  • Maggie Hanson

    “Add more cheese than this. COME ON TRACY!” you kill me 🙂

  • Jami

    You’re a genius! I never would have thought to do this and it’s so simple and looks delicious! I can’t have gluten… but this would be an easily customizable, easy to throw together with whatever I have on hand, kind of treat. Thank you for your amazingly creative food brain!

  • Ashlyn

    YUM!!! These look delicious!

  • Jamie

    Hard to go wrong with anything here – all our favorite food groups in one. = )

  • Abby

    These look ah-mazing, Tracy. Those onions! <3

  • Sophia

    Mmmm absolutely beautiful. Those mushrooms look so meaty and juicy! I could totally see these turn Italian with mozzarella and tomatoes instead. Endless possibilities!

  • Meghan

    That last photo is awesome! I have Katie’s first cookbook (just the regular What Katie Ate) and it is seriously gorgeous. I agree that the paper quality, photos and everything about it are just lovely.

  • Oh Hey! Blog

    This is heaven. In a tortilla. I have serious food envy that I can no longer look at your post.

    Megan || http://www.ohheyblog.com

  • Lorin

    Yum.

    I had a bag of onions that was going bad (prematurely, ugh) so rather than let it go to waste, I sliced them all and tossed them in my crockpot with a stick of butter overnight to make a vat of carmelized onions. I’ve been putting them on everything. They’re not quite as good as “real” carmelized onions but I have been loving it.

  • Hannah

    Made these last night and a la your maj, added kale. Sooooooo good!! Definitely a keeper!

  • Jessica

    I made this for my boyfriend last night and he loved it. He is a chef so I hardly ever impress him either because the food quality isn’t good enough- like I skimped and got the slightly less fancy cheese or because my cooking skills just aren’t that great yet. BUT I did cook the onions just right and the balsamic vinegar was not over powering (you could definitely taste the brown sugar). I was worried about the thyme on the mushrooms because it looked so dry (I usually use a bit of sprayed olive oil with seasonings on my ‘shrooms) but they turned out very good as well. You know it is a great dish when all the ingredients stand on their own. Thank you for making me look amazing! 😀

    • Jessica

      I wanted to add that we didn’t use little “street taco” type tortillas like the ones pictures we just used burrito sized (the large size) flour tortillas and folded it in half and grilled both sizes then cut it into triangles (more like a traditional quesadilla). In case anybody is thinking of doing that, it was very successful.

  • Maya

    I just made these and they were so good! Probably some of the best quesadillas I have made at home. Thank you so much for the recipe!

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