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Sheet Pan Quesadilla with Jalapeño Ranch

Stuffed with cheese and avocado, this giant, melty, upgraded cheese sheet pan quesadilla is good on its own, but we take it over the top with a side of homemade jalapeño ranch for dipping.

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cheese and avocado sheet pan quesadilla with jalapeño ranch

When I Dip You Dip We Dip!

There is nothing wrong with a plain cheese quesadilla—we love them, we grew up on them! Slap some cheddar cheese in a flour tortilla and pop it in the microwave for 30 seconds—oh yeah, we did that pretty much every day after school from age 7 to 17. But we’re a little older and our tastes have matured. Wait, scratch that. We’re a little older and we know how much better a cheese quesadilla can be. This sheet pan quesadilla recipe features a whole mess of upgrades, like:

Instead of just one cheese, use TWO. We use mozzarella—nothing melts better than mozzarella—and pepper Jack cheese.

Instead of a bunch of individual quesadillas, make one huge one! (we promise this is easier than it sounds.)

Instead of microwaving the cheese (it just never gets melty in quite the right way when you try to microwave a quesadilla) you’ve got to bake the quesadilla.

Instead of serving the quesadilla on its own, whip up a fast, easy homemade jalapeño ranch dressing for dipping!

shredded cheese, jalapeños, sour cream, tortillas, avocado, lime juice and cilantro

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ingredients for jalapeno ranch, mayonnaise, sour cream, cilantro and spices
jalapeno ranch in a small bowl

Excuse Me, Did You Say Jalapeño Ranch Dip?

Yes, yes we did. We all know the biggest hit at any party—at least any party we’ve ever thrown—is always the dish that involves ranch dip or melty cheese. So, we thought to ourselves, what if we could dream up a party recipe that brought those two things deliciously together? Enter this sheet pan quesadilla recipe! The homemade jalapeño ranch dip is easier than it sounds. All you’ll need to make it is:

  • Mayonnaise
  • Sour cream
  • Onion powder
  • Garlic powder
  • Cilantro
  • Pickled jalapeños
  • A few limes
8 flour quesadillas on a baking sheet
flour quesadillas on a baking sheet with shredded cheese
flour tortillas on a baking sheet with shredded cheese, avocado and green onions.
sheet pan quesadilla

How To Make Quesadillas for a Crowd

Bringing out a single, huge, perfectly warm, melty cheese quesadilla to a bunch of hungry friends is a really great feeling. It’s a little showy, and just generally awesome. It’s a giant quesadilla! With ranch dressing for dipping! It’s all of your childhood food dreams come true. Here’s how to make a giant cheese quesadilla:

  1. Cover a greased baking sheet with tortillas. Six around the edges, two in the middle, until the whole sheet is covered.
  2. Fill the giant tortilla! Mozzarella and pepper Jack cheese, freshly grated, along with creamy avocado and green onions. Top with more tortillas.
  3. Brush the top with oil (or use a spray) because you’ll be topping the giant tortilla with another baking sheet to help it hold together as it bakes and you don’t want the second baking sheet to stick.
  4. Bake! This giant quesadilla takes about 25 minutes to bake.
  5. Make the jalapeño ranch while the quesadilla bakes by just whizzing all of the ranch ingredients together with an immersion blender (or in a food processor.)
  6. Serve! We like to cut the quesadilla into squares, for easy pick-up-and-dip action.
baked quesadilla on a sheet pan

Tools You’ll Need:

cheese and avocado sheet pan quesadilla with jalapeño ranch
cheese and avocado sheet pan quesadilla with jalapeño ranch

More Party Recipe Ideas to Try

Food makes a party—it’s just a fact. Especially the kind of food people don’t cook for themselves! Treat food, cheesy food, indulgent food. Treat your party guests to one of these super fun recipes:

cheese and avocado sheet pan quesadilla with jalapeño ranch
cheese and avocado sheet pan quesadilla with jalapeño ranch

Giant Cheese Quesadillas FTW!

Food doesn’t get much more fun than this cheese quesadilla with jalapeño ranch, and we hope that you have as much fun making this easy recipe as we did coming up with it! Snap a photo of your finished quesadilla and maybe even a video of the beautiful people you share it with. Tag us on Instagram using @themodernproper and #themodernproper. Happy eating!

Sheet Pan Quesadilla with Jalapeño Ranch

  • Serves: 6
  • Prep Time:  20 min
  • Cook Time:  25 min
  • Calories: 542

Ingredients

  • 10 8-10” flour tortillas
  • 1 cup mozzarella, grated
  • 1 cup pepper Jack cheese, grated
  • 2 large avocados, thinly sliced
  • ½ cup green onions, minced

Jalapeño Ranch

  • ½ cup mayonnaise
  • ½ cup sour cream
  • 1 tsp onion powder
  • 1 tsp garlic powder
  • ½ tsp salt
  • ¼ cup cilantro, finely minced
  • 1/2 cup pickled jalapeños, drained
  • 2 tbsp lime juice

Method

  1. Preheat the oven to 425°F.
  2. On a large greased baking sheet arrange six tortillas around the perimeter so that half of each tortilla is hanging over the edge. Fill the middle of the baking sheet with two more tortillas (See step by step photos).
  3. Top with grated cheese followed by sliced avocados and green onions.
  4. Fold the overhanging tortilla into the center to cover the filling and finish off with two more tortillas over the center. Generously brush or spray tortillas with oil and place a second (oiled underneath) baking sheet on top of tortillas to keep tortillas flat while baking. Bake for 20 minutes covered, followed by 5 minutes uncovered or until golden and crispy.
  5. While quesadilla is cooking make the jalapeño ranch by blending all ingredients together using either an immersion blender, blender or food processor.
  6. Cut quesadilla into large squares and serve dipped into jalapeño ranch.

Nutrition Info

  • Per Serving
  • Amount
  • Calories542
  • Protein13 g
  • Carbohydrates48 g
  • Total Fat34 g
  • Dietary Fiber7 g
  • Cholesterol21 mg
  • sodium1375 mg
  • Total Sugars4 g

Sheet Pan Quesadilla with Jalapeño Ranch

Questions & Reviews

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  • R

    what do I do if I don't need to serve 6 people? maybe like 2.

    You can just use half the ingredients and instead of doing the tortilla overlap method you could just fold them in half and fill them that way. hope you enjoy!

  • Stacey Savoyski

    Dumb question- but can I use small tortillas- I have an excess of fajita size tortillas !

    Absolutely!

  • holly

    how far in advance can you make the ranch? thanks!!

    Thanks for asking Holly, making the ranch 3-4 days in advance should be fine!

  • Marci F

    How big is one serving size? It says 442 calories per serving. But it doesn't say how big one serving is?

    We looked into this one and it looks like the ranch got left out of the nutrition. If you serve it with the ranch this recipe serves 6 people and the calories would be 762. Thanks for bringing this to our attention, we will be updating the nutritional information card.

  • Dawn Maust

    How much of each ingredient for the dip?

    To make the jalapeño ranch you add ALL of the ingredients listed under the title "jalapeño ranch" to the base of a food processor and blend until smooth.

  • Mary - Winday Meadows Farm

    Quick & easy - a fast weeknight dinner! Next time I will put parchment underneath to control the browning a bit, but then I have 1950 Hotpoint oven that’s a little off when it comes to temperature regulation! Thanks for sharing, a clever idea - our family loved it.

    Thanks Mary! We are so happy your family enjoyed these!

  • Kathy Keifer

    Delicious! I’m making for the second time- and added salsa and lettuce before cooking. My family loved it- and so easy!! Thanks :)

    Thanks Kathy, so happy your family enjoys it!

  • Charlie

    Everything worked out fine, but the sauce was MUCH better once we added a tablespoon of ranch powder to it.

    Glad you enjoyed it Charlie.

  • Brown

    These were fantastic. Love the dipping sauce!

    Thank you, so glad you loved it! We are obsessed with this sauce!

  • Val Clarke

    Wow this quesadilla is so good! And so fun to make. I didn't have pepper jack so I used cheddar but it was still delicious. Thanks for this recipe.

    You're welcome Val! Thanks for trying it out, glad you enjoyed it!