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Dinner · Part 2 of 3: Instructions

Easy Slow Cooker Chicken Suprême in Creamy Sauce Step-by-step instructions

A close-up of slow cooker chicken suprême with mushrooms in a creamy sauce on a white plate.
Prep
Cook
Total
Serves
4
Includes 5 min resting

Before you start

Before beginning, ensure your slow cooker is placed on a stable, heat-resistant surface near an electrical outlet. Gather all ingredients and measure the crème fraîche carefully.

Check that the chicken breasts are fully thawed if you have been storing them in the freezer, as cooking frozen poultry in a slow cooker is not recommended for food safety reasons.

Have your serving plates ready so you can plate the dish immediately once the resting period is complete. Ensure your kitchen workspace is clean and ready for preparation, and have a meat thermometer accessible for checking the final internal temperature of the chicken.

Ingredients at a glance (4)
  • 4 pieces boneless skinless chicken breasts
  • 8 oz whole button mushrooms
  • 1 packet poultry stock powder
  • 1 cup crème fraîche

Instructions

Layering the Ingredients

  1. Prepare the Slow Cooker
    Place the raw chicken breasts into the bottom of the slow cooker insert. Ensure the chicken is arranged in a single layer to promote even cooking throughout the process.
    Look for Chicken is arranged in the base.
    Tip Avoid overcrowding the cooker to ensure the heat circulates properly around the meat.

At this stage, the slow cooker contains the raw chicken, mushrooms, and seasoning base. Everything is neatly layered to ensure optimal moisture retention during the cooking cycle. Check that the chicken is in a single layer and that the mushrooms are distributed evenly across the surface to allow for consistent flavor development.

Adding the Creamy Element

  1. Add Aromatics and Seasoning
    Scatter the whole button mushrooms over the chicken breasts. Sprinkle the poultry stock powder evenly over the top of the mushrooms and chicken to provide a savory foundation for the sauce.
    Look for Stock powder is evenly distributed.
    Tip Use fresh mushrooms if possible for the best texture in the final sauce.

The crème fraîche is added on top, ready to melt slowly into the base. The slow cooker is sealed, beginning the transformation where the fat from the cream will emulsify with the savory stock. Ensure the lid is locked or seated properly to maintain the internal environment required for the slow cooking process.

Final Cooking and Resting

  1. Finish and Cook
    Add the spoonfuls of crème fraîche on top of the other ingredients. Cover the slow cooker and cook on low for 4 hours until the chicken reaches an internal temperature of 165°F (74°C). Let the chicken rest for 5 minutes before serving.
    Look for Sauce is thickened and bubbly.
    Safe temperature 165°F (74°C) internal temperature (poultry)
    Tip Stir the sauce gently after cooking to emulsify the crème fraîche with the cooking juices.

The chicken has reached the required 165°F (74°C) and the sauce has thickened into a rich, velvety consistency. The mushrooms are tender and the chicken is succulent. After resting for 5 minutes, the dish is ready to be plated and served, with the sauce spooned generously over the top.

Common mistakes

A common mistake is overcrowding the slow cooker, which prevents even heat distribution and can result in unevenly cooked chicken. Another error is failing to use a meat thermometer, as visual cues alone are not reliable for ensuring the poultry is safe to eat.

Additionally, adding too much liquid can dilute the sauce, preventing it from achieving that signature creamy consistency. Avoid lifting the lid frequently during the cooking process, as this releases heat and moisture, significantly increasing the cooking time and potentially affecting the final texture of the sauce and the chicken.

How to tell it’s done

The chicken is perfectly cooked when it reaches an internal temperature of 165°F (74°C) at its thickest point. You can verify this by inserting a meat thermometer into the center of the largest breast. The meat should be opaque throughout with no pink remaining, and the juices should run clear.

The sauce should appear thickened and glossy, with the crème fraîche fully incorporated into the cooking liquids. Remember to let the chicken rest for at least 5 minutes after removing it from the slow cooker to allow the juices to redistribute, ensuring maximum tenderness.

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

Coming up in Part 3: common questions

  • Can this chicken suprême be made with frozen chicken breasts?
  • Why did the sauce separate during cooking?
  • Can other types of mushrooms be used in this recipe?

Also in Part 3: variations (Herbed Chicken Suprême, Garlic and Onion Infusion), 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)