Sheet Pan Tex Mex Quesadillas bake into one large, bronzed slab of crispy tortillas with a filling that stays hearty and well-seasoned: browned beef, softened onion, sweet bell peppers, earthy black beans, and pockets of melty cheese. The heat of the oven toasts the top until the flour tortillas crackle at the edges, while the middle stays rich and substantial, the kind of easy weeknight dinner that also works as party food. Serve with sour cream, salsa, sliced green onions or any of your usual taco night favorites.
Steps + Photos to make this recipe for Sheet Pan Tex Mex Quesadillas
Step 1: Preheat the oven to 375 degrees. Dice the onion and both peppers fairly small (even smaller if you have picky eaters), so the filling cooks evenly and tucks neatly into the tortillas. Shred the cheese if needed, drain the green chilies, and rinse and drain the beans.
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Step 2: In a large skillet over medium heat, cook the 1 lb ground beef, breaking it up with a spatula, until browned and no longer pink. Drain excess grease (to taste; I always leave a little because it holds so much flavor), then stir in the packet taco seasoning so it coats the meat.
Step 3: Add the diced onion, red bell pepper, green bell pepper, 15.25 oz can black beans, and 4 oz can green chilies. Stir and cook for a few minutes, just until the vegetables soften and the mixture looks evenly distributed and well combined.
Step 4: Arrange 7 of the 8 large flour tortillas around a large sheet pan so part of each tortilla hangs over the edge and the centers overlap enough to cover the bottom of the pan. Two go along each long side, one at the top, one at the bottom, and one overlapping in the center area to help cover any gaps.
Step 5: Sprinkle half of the 16 oz colby jack cheese over the tortilla base inside the pan. This first layer helps the bottom crisp and gives the filling something to cling to.
Step 6: Spoon the beef and vegetable mixture over the cheese and spread it into an even layer all the way to the edges.
Step 7: Scatter the remaining cheese evenly over the filling so the quesadilla bakes into a cohesive layer of oven baked quesadillas with a properly cheesy center.
Step 8: Place the final tortilla in the center over the filling. Fold the overhanging tortillas inward toward the middle, overlapping them to fully enclose the filling.
Step 9: Set the second sheet pan directly on top to press everything into place. Transfer both pans to the oven and bake for 20 minutes.
Step 10: Remove the top sheet pan and continue baking for 15 minutes more, until the top is golden and the tortillas are firm and crisp.
Step 11: Let the quesadilla rest for a minute or so, then cut into 8 squares, or 12 smaller pieces if serving this as a game day recipe or party food spread. (Optionally, slide it onto a large cutting board and slice there if there are concerns about scoring the baking sheet.) Top with green onions, sour cream, and salsa, and serve warm.
Tools & Equipment
For these sheet pan quesadillas, I use a cutting board, knife, large skillet, spatula, and 2 large sheet pans. You’ll use a conventional oven and you may want a clean kitchen towel for drying vegetables after washing.
Tips for Success
- Let the beef brown well before adding the seasoning so the filling develops deeper flavor for these ground beef quesadillas.
- Drain the beans and green chilies thoroughly so the tortillas stay crisp instead of steaming.
- If you’ve got super picky eaters, leave out the bell pepper and onions altogether or process them very small before cooking.
- Overlap the tortillas generously around the pan so the filling stays enclosed during baking.
- Pressing with the second sheet pan helps create that compact, crisp finish that makes Tex Mex quesadillas easy to slice cleanly. You can use two smaller oven-safe pans to hold the tortillas closed if you don’t have two of the exact same pans.
- Rest the baked quesadilla for a few minutes before cutting so the melty cheese sets.
- These make a solid family dinner and also hold well for a make ahead dinner situation; you can cook the filling in advance. I like to reheat slices in a preheated air fryer at 400F to bring back the crisp edges and get the cheese gooey again.
- We have some great dip recipes here that will go great with this: 3-Ingredient Chili Cheese Dip, Fresh Blender Salsa (no cooking required), Slow Cooker Queso Dip, Copycat Corn Salsa,
The bottom line
Wanna see more TexMex recipes? Here ya go:
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Sheet Pan Tex Mex Quesadillas
Ingredients
- 1 lb ground beef
- 1 oz packet taco seasoning
- 1 medium yellow onion diced
- 1 red bell pepper diced
- 1 green bell pepper diced
- 15.25 oz can black beans rinsed and drained
- 4 oz can green chilies drained
- 16 oz colby jack cheese shredded
- 8 large flour tortillas
- Green onions, sour cream, salsa for serving
Instructions
- Preheat oven to 375 degrees.
- Dice the onion and bell peppers.
- In a large skillet, cook the 1 lb ground beef over medium heat, breaking it apart, until no longer pink. Drain grease, to taste. (I leave a little because it has so much flavor.)
- Stir in the 1 oz packet of taco seasoning.
- Add the onion, red bell pepper, green bell pepper, 15.25 oz can black beans, and 4 oz can green chilies. Stir to combine and cook briefly until the vegetables soften.
- Arrange 7 tortillas on a large sheet pan so each tortilla is half on the pan, half off, and slightly overlapping. Place two along each long side, one at the top, one at the bottom, and overlap as needed to cover the pan.
- Sprinkle half of the 16 oz colby jack cheese over the tortilla base.
- Spread the beef and vegetable mixture evenly over the cheese.
- Add the remaining cheese over the filling.
- Place the last tortilla in the center, then fold the outer tortillas into the middle to cover the filling.
- Set a second sheet pan on top and bake for 20 minutes.
- Remove the top sheet pan and bake 15 minutes more, until golden and crisp.
- Rest briefly, then cut into 8 squares or 12 smaller pieces. Serve with green onions, sour cream, and salsa.
Nutrition
