Name: Rotisserie Chicken Tostadas with Quick Pickled Onions Recipe
Prep time: 10 min
Cook time: 15 min
Total time: 25 min
Cuisine: Mexican
Ingredients: 1 small red onion, sliced thin; 3/4 cup apple cider vinegar; 1/2 tsp kosher salt; 1/2 tsp peppercorns; 1/2 tsp coriander seeds; 2 tbsp ghee or butter; 1/2 tsp paprika; 1 tsp chili powder; 1/2 tsp cumin; 1/2 tsp dried oregano; 2 tbsp tomato paste; 4 oz chopped green chiles (canned); 1/3 cup low sodium chicken broth; Kosher salt, to taste; Black pepper, to taste; 3 cups shredded rotisserie chicken (or any cooked shredded chicken); 8 tsp olive oil (1 tsp per tortilla); 6 grain-free tortillas (preferably Siete cassava flour tortillas); 1 cup store-bought or homemade guacamole; 2 cups romaine lettuce, thinly sliced (about 1 small head); 1 tbsp chopped cilantro; 1 lime, sliced into wedges

Jump to Recipe· 4.1 from 27 reviews

If you’re craving a dish that’s bursting with flavor, texture, and a little bit of tangy kick, look no further than this Rotisserie Chicken Tostadas with Quick Pickled Onions Recipe. It’s the perfect combination of crispy, creamy, and zesty—all in one vibrant bite. Using tender shredded rotisserie chicken layered over crunchy grain-free tortillas, topped with bright quick pickled onions, creamy guacamole, and fresh greens, this recipe is an absolute crowd-pleaser that comes together in just about 25 minutes. Whether you’re throwing together a weeknight meal or surprising guests with something fresh and exciting, these tostadas hit all the right notes and make every bite feel like a celebration.

Ingredients You'll Need

A spread of ingredients arranged on a white marbled surface: a white plate in the center holds six different spices in small mounds, showing red, brown, and beige colors; above it, there are small white bowls with a yellow liquid and a red paste, and a wooden bowl with green guacamole. To the right, a wooden bowl holds thinly sliced purple onions, while below it another wooden bowl contains shredded cooked chicken in light beige tones. At the bottom left, several round flatbreads wrapped in a white cloth with red stripes rest close to a wooden board piled with leafy green lettuce and chopped herbs, with lime wedges nearby. Small jars and containers hold liquids and diced green chilies scattered around the space. The overall tone is fresh and colorful, lit with natural light. Photo taken with an iphone --ar 4:5 --v 7

These ingredients are wonderfully straightforward but essential, each adding its own magic to build a dish that’s full of color, depth, and personality. From the tang of apple cider vinegar in the onions to the warm spices that coat the chicken, every element works together to create that unforgettable tostada experience.

1 small red onion, sliced thin: Perfect for quick pickling, adds vibrant color and tangy crunch.
¾ cup apple cider vinegar: The key to the sharp, bright flavor in the pickled onions.
½ teaspoon kosher salt: Balances flavors and enhances all the other ingredients.
½ teaspoon peppercorns: Adds a gentle peppery warmth to the pickling brine.
½ teaspoon coriander seeds: Introduces a subtle citrusy note to the quick pickled onions.
2 tablespoon ghee or butter: For toasting the spices and adding richness to the chicken.
½ teaspoon paprika: Brings a smoky sweetness to the chicken mixture.
1 teaspoon chili powder: Gives the chicken a mild, vibrant kick.
½ teaspoon cumin: Earthy and warm, it deepens the flavor of the chicken sauce.
½ teaspoon dried oregano: Adds a hint of herbaceous brightness.
2 tablespoon tomato paste: Provides a rich base and slight acidity to the sauce coating the chicken.
4 oz chopped green chiles from a can: The perfect spicy-pop of flavor in the chicken.
⅓ cup low sodium chicken broth: Creates the ideal saucy texture without overwhelming saltiness.
Kosher salt and black pepper, to taste: Adjust to your liking for the perfect seasoning balance.
3 cups shredded rotisserie chicken: The star of the dish—quick, flavorful, and so tender.
8 teaspoon olive oil: Helps crisp up those tortillas beautifully.
6 grain-free tortillas: I love using Siete cassava flour tortillas for the best texture and flavor.
1 cup store-bought or homemade guacamole: Adds creamy richness and cool contrast.
2 cups romaine lettuce, thinly sliced: Adds crunch and freshness to every bite.
1 tablespoon chopped cilantro: The finishing touch with fresh, citrusy brightness.
1 lime, cut into wedges: For that extra zing when serving.

How to Make Rotisserie Chicken Tostadas with Quick Pickled Onions Recipe

Step 1: Prepare the Quick Pickled Onions

Start by taking thinly sliced red onions and soaking them in hot water for about five minutes. This quick step gently removes some of their sharp bite while keeping the crisp texture intact. Next, whisk together apple cider vinegar, kosher salt, peppercorns, and coriander seeds until the salt dissolves. Drain the onions and transfer them to this tangy brine to soak in the fridge for at least 30 minutes—though they keep well for up to two weeks, they’re best fresh and zingy within a week.

Step 2: Cook the Spiced Chicken Mixture

In a skillet over medium heat, melt your ghee or butter. Add paprika, chili powder, cumin, and oregano, toasting the spices gently for about two minutes until they smell irresistible. Stir in tomato paste and let it cook for another minute, developing deeper flavors. Then, add the chopped green chiles and chicken broth, bringing the sauce to a gentle simmer. Toss in the shredded rotisserie chicken, coating it fully in the thickened sauce. Taste and adjust salt and pepper, keeping in mind that store-bought chicken can already be a bit salty.

Step 3: Crisp the Tortillas

Warm a skillet over medium heat and add 1 teaspoon olive oil for each tortilla. Fry each one, flipping every couple of minutes, until they’re crispy and golden all over—about 5 to 6 minutes. Once crisp, place them on a wire rack to keep them crunchy while you finish the rest.

Step 4: Assemble Your Tostadas

Spread a generous layer of creamy guacamole on each crisp tortilla base. Add a fresh bed of thinly sliced romaine lettuce, followed by a hearty scoop of the warm, spiced chicken. Sprinkle freshly chopped cilantro and top each tostada with a few bright, tangy quick pickled onions. A wedge of lime on the side lets everyone add a fresh burst of acidity to their personal taste. It’s a perfectly balanced bite every single time.

How to Serve Rotisserie Chicken Tostadas with Quick Pickled Onions Recipe

A white plate sits on a white marbled surface with a round, golden-brown tostada base in the center. On the tostada, the first layer is a thick, smooth green spread of guacamole, covering the entire surface evenly. The second layer is a pile of fresh, shredded green lettuce placed in the middle, leaving some guacamole visible around the edges. Finally, the third layer shows shredded, roasted chicken with a reddish-brown color being placed on top with metal tongs, partially covering the lettuce. Around the plate, there are slices of lime, more shredded chicken, and a glass of red drink, with a woman's hand holding a wooden spoon spreading the guacamole in the first frame. Photo taken with an iphone --ar 4:5 --v 7

Garnishes

When it comes to garnishing, keep it fresh and vibrant. Chopped cilantro is a must for its uplifting brightness, while ripe avocado slices or dollops of guacamole add a creamy layer that perfectly tempers the spices. Don’t forget the lime wedges—they bring an irresistible citrus kick that ties every flavor together. You could also sprinkle some crumbled queso fresco or a drizzle of crema if you want to indulgently elevate the dish.

Side Dishes

These tostadas pair beautifully with easy sides that complement their Mexican flair. A simple black bean salad or Mexican street corn (elote) salad would add more texture and flavor. Light, fresh sides like a cucumber and tomato salad with lime juice also brighten the meal and keep the focus on those bold tostada flavors. And of course, chips with salsa or extra guacamole never disappoint as a fun starter or side.

Creative Ways to Present

To make your Rotisserie Chicken Tostadas with Quick Pickled Onions Recipe feel extra special, try setting up a tostada bar! Lay out all the components—tortillas, chicken, pickled onions, guacamole, cilantro, lime wedges, and additional toppings like radishes or queso fresco—and let everyone build their own masterpiece. Another beautiful presentation is stacking mini tostada bites on skewers for a tapas-style appetizer. No matter how you serve them, these tostadas always look as good as they taste.

Make Ahead and Storage

Storing Leftovers

You can easily save any leftover chicken mixture and quick pickled onions separately in airtight containers in the fridge for up to 3 to 4 days. Keep the tortillas separate to retain their crispness; store them at room temperature wrapped in foil or a clean kitchen towel. When you’re ready to eat, just reheat the chicken gently and crisp up fresh tortillas.

Freezing

The chicken mixture freezes well for up to two months. Portion it into freezer-safe containers or bags, making sure to remove as much air as possible. The pickled onions don’t freeze as well since their crisp texture changes, so it’s best to make a fresh batch when needed for maximum zing and crunch.

Reheating

Reheat the chicken sauce gently on the stove over low to medium heat, stirring occasionally to prevent drying out. To revive the crispness of the tortillas, warm them in a dry skillet or oven at 350°F for a few minutes. Then reassemble your tostadas fresh for the best texture and flavor experience.

FAQs

Can I use regular flour tortillas instead of grain-free?

Absolutely! Regular flour tortillas work beautifully in this recipe. Just crisp them up in the skillet the same way, and you’ll get that satisfying crunch. Grain-free tortillas are just my personal go-to for their unique texture and flavor.

How long do quick pickled onions last?

Quick pickled onions keep well refrigerated for up to two weeks. They get tastier as they marinate, but I recommend using them within a week for the best crunch and tang.

Can I make the chicken mixture spicier?

Definitely! You can add more chili powder or introduce a pinch of cayenne pepper depending on your heat preference. Fresh chopped jalapeños also work as a spicy addition to the chicken sauce.

Is this recipe freezer-friendly?

The chicken mixture freezes wonderfully, but for the best flavor and texture, refrigerate the quick pickled onions separately and prepare fresh tortillas when serving.

What can I use if I don’t have ghee?

If you don’t have ghee on hand, butter is a perfect substitute. You can also use a neutral oil like avocado or olive oil, though butter or ghee adds a lovely richness to the spices.

Final Thoughts

This Rotisserie Chicken Tostadas with Quick Pickled Onions Recipe is a true kitchen gem—simple to make, vibrant in flavor, and endlessly satisfying. It’s a fantastic way to elevate everyday rotisserie chicken and turn it into something spectacular. I can’t wait for you to try it, share it with friends, and make it your own. Happy cooking and even happier eating!

Rotisserie Chicken Tostadas with Quick Pickled Onions Recipe

Ingredients You'll Need