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Dinner · Part 2 of 3: Instructions

Pepper Jack Fajita Chicken: Easy Crockpot Dinner Step-by-step instructions

Shredded chicken with peppers and onions in a creamy cheese sauce in a slow cooker
Prep
Cook
Total
Serves
6

Before you start

Before starting, ensure the chicken breasts are thawed if frozen. Slice the bell peppers and onion into thin strips. Measure the queso blanco dip and shred the pepper jack cheese if not pre-shredded.

Have a 6-quart slow cooker ready. There's no need to pre-cook anything; just layer the ingredients as directed.

Ingredients at a glance (6)
  • 1 1/2 lb boneless skinless chicken breasts
  • 3 bell peppers (red, yellow, orange), sliced
  • 1 medium red onion, thinly sliced
  • 2 tbsp fresh lime juice
  • 1 cup queso blanco dip, warmed
  • 1 cup shredded pepper jack cheese

Instructions

Layer and Go

  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 fresh lime juice.
    Look for The chicken should be mostly covered by the vegetables.
    Tip For even cooking, try to arrange the chicken in a single layer.
  2. Add the Cheese Sauce
    Pour the warmed queso blanco dip evenly over the chicken and vegetables. Sprinkle the shredded pepper jack cheese on top.
    Look for The top should be covered with cheese.
    Tip Warming the queso helps it spread more easily.

At the end of this phase, the slow cooker should contain a colorful mix of raw chicken, peppers, onions, and cheese.

The ingredients should be evenly distributed, with the cheese covering the top. This is the point where you set it and forget it, so make sure everything is layered as directed.

Slow Cook and Shred

  1. Slow Cook Until Tender
    Cover the slow cooker and cook on low for 4 to 5 hours, or on high for 2 to 3 hours, until the chicken is cooked through and reaches an internal temperature of 165°F (74°C).
    Look for The chicken should be fork-tender and easily shred.
    Safe temperature 165°F (74°C) internal temperature (poultry)
    Tip Avoid lifting the lid during cooking to keep the heat in.
  2. Shred the Chicken
    Using two forks, shred the chicken directly in the slow cooker. Stir everything together to combine the chicken, peppers, onions, and cheese sauce.
    Look for The chicken should shred easily and be coated in the creamy sauce.
    Tip For chunkier shreds, use a fork; for finer shreds, use a hand mixer.

After cooking, the kitchen will smell of peppers and melted cheese. The chicken should be fork-tender and easily shred. The sauce should be creamy and slightly bubbly. Before shredding, check that the chicken reaches 165°F (74°C) to ensure it's fully cooked.

Serve and Savor

  1. Serve and Enjoy
    Serve the fiesta chicken hot, scooped over rice, tortilla chips, or in warm tortillas. Garnish with extra lime wedges or cilantro if desired.
    Look for The sauce should be bubbling and creamy.
    Tip This dish is great for meal prep—store leftovers in the fridge.

The final dish should be a hearty, cheesy mixture with shredded chicken and tender vegetables. The sauce should be thick and cling to the chicken. Serve immediately while hot, and enjoy the creamy, spicy flavors. The dish is versatile and can be paired with rice, tortillas, or chips.

Common mistakes

Avoid opening the slow cooker lid too often, as it releases heat and extends cooking time. Don't use frozen chicken without adjusting the cooking time; it will take longer.

Be careful not to overcook the chicken, as it can become dry. If using a milder cheese, the dish will be less spicy, so adjust seasonings to taste.

How to tell it’s done

The chicken is done when it reaches an internal temperature of 165°F (74°C) and shreds easily with a fork. The peppers should be tender but still have a slight bite.

The sauce should be bubbling and thickened slightly. If the sauce seems too thin, remove the lid and cook on high for an additional 15-20 minutes to reduce.

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

Coming up in Part 3: common questions

  • Can this recipe be made without a slow cooker?
  • Can this dish be made ahead and frozen?
  • What can be used instead of queso blanco dip?
  • How can the sauce be thickened if it's too thin?
  • Is this recipe spicy?

Also in Part 3: variations (Chicken Thighs, Spicy Version, Veggie-Packed, Creamy Avocado), 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)