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Dinner · Part 2 of 3: Instructions

One-Pot Crockpot Crispy Chorizo and Chicken Fajitas Step-by-step instructions

A close-up of a slow cooker filled with chicken and chorizo fajitas topped with melted cheese.
Prep
Cook
Total
Serves
6
Includes 5 min resting

Before you start

Before beginning, ensure all vegetables are thoroughly washed and dried. Slice the bell peppers and onions into uniform strips to ensure they cook evenly alongside the chicken. Remove the casings from the Mexican chorizo if necessary, and break the meat into small, manageable crumbles.

Prepare your serving area by setting out the tortillas, dicing the avocado, and readying the sour cream and cotija cheese. Having all components ready will make the final assembly process smooth and efficient, allowing you to serve the meal the moment the cheese has melted.

Ingredients at a glance (11)
  • 2 lb chicken breast, sliced into thin strips
  • 1/2 lb Mexican chorizo, crumbled
  • 3 bell peppers, sliced
  • 1 large onion, sliced
  • 2 tbsp smoky fajita rub
  • 1 cup cheddar-Jack cheese, shredded
  • 6 flour tortillas, warmed for serving
  • 1 avocado, diced for topping
  • 1/2 cup sour cream
  • 1/4 cup cotija cheese, crumbled
  • 1 lime, cut into wedges for serving

Instructions

Prep and Layering

  1. Layering the ingredients
    Place the sliced chicken breast, crumbled Mexican chorizo, sliced bell peppers, and sliced onion into the basin of a 6-quart slow cooker. Sprinkle the smoky fajita rub evenly over the top of the mixture.
    Look for Ensure the chorizo is evenly distributed among the chicken strips to allow the fat to render throughout the dish during cooking.
    Tip Layer the onions and peppers at the bottom if preferred for a more intense char, though the dump-and-go method works perfectly for this recipe.

At this initial stage, the slow cooker should be filled with layers of raw chicken, crumbled chorizo, and colorful vegetables. The smoky fajita rub should be evenly distributed over the top.

The basin should look full but not overstuffed, with enough room for the flavors to circulate. Check that all ingredients are prepared to the correct size, as this ensures they will all reach the perfect tenderness simultaneously during the long cooking process.

Slow Cooking

  1. Slow cooking
    Cover the slow cooker with the lid. Set the cooker to the LOW setting and cook for four and a half hours. The chorizo will render its smoky red oil, infusing the chicken and vegetables with deep flavor. The chicken must reach an internal temperature of 165°F (74°C).
    Look for The chicken should be tender and fully cooked through when finished.
    Safe temperature 165°F (74°C) internal temperature (poultry)
    Tip Avoid opening the lid frequently during the cooking process to maintain a consistent temperature inside the basin.

During this phase, the slow cooker should remain covered to trap the heat and moisture inside. The kitchen will begin to fill with the aromatic scent of smoky paprika and spicy chorizo. The chicken is undergoing a transformation, becoming tender and infused with the rendered oils of the sausage. Resist the urge to lift the lid, as this releases heat and extends the cooking time. The mixture should simmer quietly without boiling aggressively.

Final Melt and Serve

  1. Melting and serving
    Remove the lid and sprinkle the shredded cheddar-Jack cheese over the hot mixture. Cover for an additional 5 minutes or until the cheese is completely melted and bubbling. Serve immediately in warm tortillas, topping with diced avocado, sour cream, crumbled cotija, and a squeeze of fresh lime juice.
    Look for The cheese should be molten and slightly browned at the edges of the ceramic basin.
    Tip Warm the tortillas in a dry skillet for thirty seconds per side to enhance their flavor and texture before filling.

The final phase involves adding the cheese and letting it melt into a gooey, molten layer over the chicken and vegetable mixture. The smell should be savory and inviting. Once the cheese has fully melted, the dish is ready to be portioned into warm tortillas. The final result should look vibrant, with the red oils of the chorizo contrasting against the melted cheese and the tender, cooked chicken strips.

Common mistakes

A common mistake is overcrowding the slow cooker or using unevenly cut chicken, which can lead to some pieces being overcooked while others remain underdone. Ensure the ingredients are layered properly to allow for even heat distribution.

Another error is failing to allow the dish to cook for the full duration; the slow, low heat is essential for the chorizo to fully render its fat and flavor. Finally, avoid adding the cheese too early, as it can separate or become greasy if left in the cooker for the entire duration.

How to tell it’s done

The dish is considered done when the chicken has reached an internal temperature of 165°F (74°C). You can verify this by inserting a food thermometer into the thickest piece of chicken.

At this stage, the chorizo should be fully cooked, the vegetables should be tender but not mushy, and the cheese should be completely melted and bubbly. The sauce formed at the bottom of the basin should be rich, smoky, and slightly thickened by the rendered fats and spices from the chorizo and cheese.

  • Poultry: 165°F (74°C) in the thickest part
  • Ground meat: 160°F (71°C) in the thickest part

Coming up in Part 3: common questions

  • Can this be made ahead of time?
  • What is the best way to reheat leftovers?
  • Is it safe to use frozen chicken for this recipe?

Also in Part 3: variations (Vegetarian Fajitas, Spicy Version), storage and make-ahead, and the printable recipe card.

Up next · Part 3 of 3

2 variations · storage & make-ahead · 3 answers · printable card

Tips, FAQ & printable recipe (Part 3)← Back to the ingredients (Part 1)