These tacos offer a symphony of flavors and textures, transforming ordinary ingredients into an extraordinary culinary experience. Tender, shredded chicken, infused with the smoky heat of chipotle peppers, forms the heart of this vibrant dish. The peppers impart a rich, complex flavor that's both comforting and exciting, making each bite a delightful adventure.

The chicken emerges moist and easily shreddable, ready to mingle with the other carefully chosen components. Complementing the smoky chicken is the salty, crumbly cotija cheese, which adds a delightful counterpoint to the spice. Its slightly firm texture provides a pleasant contrast to the tender chicken, while its salty flavor enhances the overall savory profile.

Thinly sliced red onion lends a sharp, pungent bite and a touch of sweetness, adding another layer of complexity to the tacos. The vibrant color of the red onion also contributes to the visual appeal of the dish, making it as pleasing to the eye as it is to the palate. A scattering of fresh cilantro leaves provides a burst of herbaceous freshness, brightening the flavors and adding a touch of vibrancy.

The cilantro's delicate aroma complements the smoky chipotle and the sharp red onion, creating a harmonious blend of scents that tantalizes the senses. Crisp lettuce adds a refreshing crunch, providing a textural counterpoint to the tender chicken and crumbly cheese. Its mild flavor allows the other ingredients to shine, while its refreshing coolness provides a welcome contrast to the heat of the chipotle peppers.

Finally, a generous squeeze of lime juice adds a zesty tang, awakening the flavors and tying all the elements together. The lime's acidity cuts through the richness of the cheese and the smokiness of the chicken, creating a perfectly balanced and utterly irresistible taco experience. Preparing the chicken filling is remarkably simple, especially when using a pressure cooker.

While aromatics such as onion and garlic can be added to the cooking broth to enhance the flavor of the chicken, they are not essential and can be omitted based on personal preference. The recipe typically calls for around two pounds of split chicken breasts, ensuring plenty of flavorful filling for a satisfying meal.