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Dinner · Part 2 of 3: Instructions

Creamy Crockpot Fajita Chicken with Peppers and Onions Step-by-step instructions

Creamy Crockpot fajita chicken with shredded chicken, peppers, and onions in a creamy sauce
Prep
Cook
Total
Serves
4
Includes 5 min resting

Before you start

Before starting, slice the bell peppers and red onion into thin strips. Juice the lime. Shred the Monterey Jack cheese if not using pre-shredded.

Place the chicken breasts in the slow cooker and have the remaining ingredients measured and ready. No need to brown the chicken—it will cook perfectly in the slow cooker.

Ingredients at a glance (7)
  • 1 1/2 lb boneless skinless chicken breasts
  • 3 bell peppers (red, yellow, orange), sliced
  • 1 red onion, sliced
  • 2 tbsp fresh lime juice
  • 1/2 cup sour cream
  • 1 1/2 cups shredded Monterey Jack cheese
  • warm flour tortillas, for serving

Instructions

Layer and Top

  1. Layer the Ingredients
    Place the chicken breasts in the bottom of a 6-quart slow cooker in a single layer. Scatter the sliced bell peppers and red onion over the chicken. Drizzle with the fresh lime juice.
    Look for The chicken is covered with colorful peppers and onions, and the lime juice brightens the top.
    Tip For even cooking, try to choose chicken breasts of similar thickness.
  2. Add the Creamy Toppings
    Dollop the sour cream over the peppers and onions, then sprinkle the shredded Monterey Jack cheese evenly over the top. Do not stir.
    Look for The sour cream and cheese form a creamy blanket over the vegetables.
    Tip Leaving the ingredients layered helps the chicken stay moist and the cheese melt slowly.

After layering, the slow cooker is filled with chicken, peppers, onions, lime juice, sour cream, and cheese. The colors are vibrant, and the toppings sit neatly on top.

It looks fresh and inviting, with the sour cream and cheese forming a creamy cap. The aroma is bright from the lime and slightly tangy from the sour cream.

Slow-Cook

  1. Slow-Cook Until Tender
    Cover the slow cooker and cook on low for 6 to 7 hours, or on high for 3 to 4 hours, until the chicken is fork-tender and reaches an internal temperature of 165°F (74°C).
    Look for The sauce is bubbling gently around the edges, and the chicken shreds easily with a fork.
    Safe temperature 165°F (74°C) internal temperature (poultry)
    Tip Resist lifting the lid during cooking—each peek releases heat and adds time.

During cooking, the slow cooker fills with a gentle bubbling sound. The kitchen smells of savory chicken and sweet peppers.

The sauce is simmering around the edges, and the cheese has melted into a golden, creamy layer. The chicken is fork-tender, and the peppers are soft. The mixture is hot and fragrant, ready to be shredded.

Shred and Serve

  1. Shred the Chicken
    Turn off the slow cooker. Remove the chicken breasts to a cutting board and shred with two forks. Return the shredded chicken to the slow cooker and stir everything together with the creamy sauce. Let rest for 5 minutes.
    Look for The chicken is shredded and coated in a creamy, cheesy sauce with tender peppers.
    Tip Shred while the chicken is still warm—it breaks apart more easily.
  2. Serve and Enjoy
    Serve the fiesta chicken warm with flour tortillas on the side. Spoon the chicken and sauce into the tortillas or serve over rice.
    Look for The creamy chicken is steaming and aromatic, ready to be wrapped in tortillas.
    Tip Warm the tortillas in a dry skillet or microwave before serving for the best texture.

After shredding and stirring, the chicken is coated in a thick, creamy sauce with tender peppers and onions. The texture is luscious and the colors are appetizing. The steam rises with a rich, cheesy aroma. The dish is ready to be served, with warm tortillas on the side.

Common mistakes

Avoid lifting the lid during cooking—this releases heat and extends the cooking time. Do not stir the ingredients before cooking, as the layering helps the chicken stay moist.

If the sauce appears curdled, it may be because the sour cream was too cold or the cooker was too hot; using full-fat sour cream and cooking on low can help prevent this.

How to tell it’s done

The chicken is done when it reaches an internal temperature of 165°F (74°C) on an instant-read thermometer and shreds easily with a fork. The peppers should be tender but not mushy, and the sauce should be hot and bubbling. If the sauce seems thin, let it sit uncovered for 10 minutes to thicken slightly.

  • Poultry: 165°F (74°C) in the thickest part

Coming up in Part 3: common questions

  • Can this recipe be made with frozen chicken breasts?
  • Why does the sour cream curdle in the slow cooker?
  • Can this dish be made on the stovetop instead of a slow cooker?
  • How can the sauce be thickened if it is too thin?
  • Is it necessary to use fresh lime juice?

Also in Part 3: variations (Spicy Chipotle, Chicken Thighs, Veggie-Packed, Taco-Style), storage and make-ahead, and the printable recipe card.

Up next · Part 3 of 3

4 variations · storage & make-ahead · 5 answers · printable card

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