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Caramelized Onion, Spinach, and Avocado Quesadilla

Caramelized Onion, Spinach, and Avocado Quesadilla are a melted cheese lover’s delight! Infused with flavor, this unique recipe is one for the history books.

Caramelized Onion, Spinach, and Avocado Quesadilla #vegetarian #healthy #recipe

It’s not every day I post a quesadilla recipe. In fact, this is the first!

This crispy-on-the-outside-smoosh-on-the-inside quesadilla is a sophisticated version of your childhood favorite.

It’s all grown up with rich caramelized onions, Vitamin-infused with spinach, and a real tear-jerking dreamboat with thick slices of avocado.

Caramelized onions are my love language. 

Caramelized Onion, Spinach, and Avocado Quesadilla

I can neither confirm nor deny my burning desire to eat caramelized onions on ice cream.

They may take light years to make, but they are worth their weight in gold.

Plus, you can watch an entire re-run of Gilmore Girls while your onions become fancy.

It’s a low-maintenance method for putting the artisan in your tortilla.

Caramelized Onion, Spinach, and Avocado Quesadilla

Ingredients for This Recipe:

Onions, spinach, jack cheese, avocado, and tortillas! That’s it! A dreamy lunch or dinner.

Simply use your favorite gluten-free tortillas or regular flour tortillas for this recipe. Luckily most grocery stores carry all sorts of options for tortillas now, including low-carb, grain-free, and gluten-free.

Or replace the tortilla with caramelized onions. Totally comparable substitution. 😉

Caramelized Onion, Spinach, and Avocado Quesadilla #vegetarian #healthy #recipe

Get your cheese on!

If you love quesadillas, also try my Grilled Vegetable Avocado Quesadillas with Chipotle Cashew Cream and my Grilled Portobello and Squash Quesadillas

Caramelized Onion, Spinach, and Avocado Quesadilla #vegetarian #healthy #recipe

Caramelized Onion Spinach Avocado Quesadilla

Yield: 4 quesadillas
Prep Time: 15 minutes
Cook Time: 1 hour
Total Time: 1 hour 15 minutes

Nothing but the BEST quesadilla right here! Avocado and caramelized onions make this crispy cheesy delight absolutely amazing.

Ingredients

  • 3 tablespoons avocado oil or olive oil
  • 2 large yellow onions, thinly sliced
  • 1/2 teaspoon sea salt
  • 5 ounces baby spinach
  • 2 cups Monterey jack cheese, grated
  • 2 avocados, peeled and sliced
  • 4 large flour tortillas

Instructions

  1. Add the oil to a large sauté pan over medium heat. Add the onions and salt and cook, stirring occasionally, until the onions are soft and deep golden brown, about 30 to 40 minutes. (If the sides of the onions begin cooking too fast, lower the heat to medium-low, add a little more oil, and stir. Your goal is to have the onion slices cook as uniformly as possible.) Remove the onions from the pan and place them in a bowl.
  2. In the same sauté pan over low heat, add the spinach and cook, stirring frequently, until wilted, about 2 minutes. Remove from heat and transfer the spinach to another bowl, then carefully wipe the pan dry with a paper towel.
  3. Return the pan to the stove and increase the heat to medium-low. Lay one tortilla flat in the pan. Evenly sprinkle 1/2 cup of cheese over the top. To the bottom half of the tortilla, add 1/4 of the caramelized onions, followed by 1/4 of the wilted spinach. Heat until the cheese melts and the tortilla is browned and crispy.
  4. Add the avocado slices (about 1/2 of an avocado per quesadilla), and immediately fold the tortilla in half, onto itself, and flip it over. Continue cooking for about 30 seconds or until warmed through.
  5. Using a spatula, transfer the quesadilla to a cutting board. Cut into fourths. Repeat this process with the remaining ingredients and serve with your favorite salsa or cilantro pesto.
Nutrition Information
Yield 4 Serving Size 1 Quesadilla (of 4)
Amount Per Serving Calories 416Total Fat 30gUnsaturated Fat 0gCarbohydrates 28gFiber 2gSugar 1gProtein 13g

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jack

Sunday 8th of December 2019

I think the first time I forgot the avocado, and it was still delicious! So glad to see the recipe again, as it reminds me I need to make this again!!!

emma

Friday 6th of December 2019

I’ve made it multiple timesand each time is so tasty! I think the first time I forgot the avocado, and it was still delicious! So glad to see the recipe again, as it reminds me I need to make this again!!!

Julia

Friday 6th of December 2019

I'm so happy you enjoy it, Emma! Thanks for the sweet note! :D

Susan Soroka

Monday 4th of March 2019

Not sure where I found this recipe the very first time, but it is a winner for a meatless meal! I've made it multiple timesand each time is so tasty! I think the first time I forgot the avocado, and it was still delicious! So glad to see the recipe again, as it reminds me I need to make this again!!!

Julia

Thursday 7th of March 2019

I'm so thrilled to hear it, Susan! Thanks so much for the sweet note! xo

Michelle Vincent

Friday 11th of July 2014

I totally agree caramelized onions are my love language....I would add garlic to it..omg love avocados

Helen

Tuesday 17th of June 2014

Thanks for the recipe! Made these the other night and they were great... lots of cheese of course ;)

Julia

Wednesday 18th of June 2014

Wahooo!! I'm so glad you made them, Helen! Aren't they just ridiculous?! I LOVE the caramelized onions in them.

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