Slow Cooker Mississippi Chicken (Printable)

Tender chicken slow-cooked with zesty ranch and pepperoncini alongside creamy garlic mashed potatoes.

# What You Need:

→ Mississippi Chicken

01 - 2 pounds boneless, skinless chicken breasts or thighs
02 - 1 packet (1 ounce) ranch seasoning mix
03 - 1 packet (1 ounce) au jus gravy mix
04 - ½ cup unsalted butter, sliced
05 - 8 to 10 whole pepperoncini peppers
06 - ¼ cup pepperoncini juice
07 - Freshly ground black pepper to taste

→ Garlic Mashed Potatoes

08 - 2½ pounds Yukon Gold potatoes, peeled and cut into chunks
09 - 4 cloves garlic, peeled and smashed
10 - ½ cup whole milk
11 - ¼ cup unsalted butter
12 - ⅓ cup sour cream
13 - Salt and freshly ground black pepper to taste
14 - Chopped fresh parsley for garnish, optional

# Directions:

01 - Place chicken in the bottom of a slow cooker and sprinkle ranch seasoning and au jus gravy mix evenly over the meat.
02 - Layer butter slices on top, scatter pepperoncini peppers throughout, and pour in pepperoncini juice. Season with freshly ground black pepper.
03 - Cover and cook on low setting for 6 to 7 hours until chicken is tender and easily shredded with forks.
04 - About 30 minutes before chicken finishes cooking, place potatoes and garlic in a large pot, cover with cold water, and add salt. Bring to a boil, then simmer for 15 to 20 minutes until potatoes are fork-tender.
05 - Drain potatoes and garlic thoroughly, return to pot, and add butter, milk, and sour cream. Mash until smooth and creamy, adding additional milk as needed. Season with salt and pepper to taste.
06 - Once chicken is fully cooked, shred it directly in the slow cooker using two forks, mixing thoroughly with the accumulated juices and seasonings.
07 - Spoon garlic mashed potatoes onto individual plates and top generously with shredded Mississippi chicken and sauce. Garnish with fresh parsley if desired.

# Expert Suggestions:

01 -
  • It's a hands-off dinner that tastes like you spent hours fussing, when really you spent twenty minutes prepping.
  • The shredded chicken soaks up every tangy, buttery drop of sauce, and there's zero dry meat here.
  • Pairing it with creamy garlic mashed potatoes turns a weeknight into something that feels intentional.
02 -
  • Don't use boneless, skinless chicken breasts if you prefer super tender results—thighs hold up better and stay juicier through the long cook time.
  • The pepperoncini juice is not optional; it's what makes this taste authentically Mississippi rather than like generic slow cooker chicken.
  • When mashing potatoes, add milk gradually and stop before they become soupy—you want creamy clouds, not potato soup.
03 -
  • Brown the chicken quickly in a skillet first if you have time—it adds a subtle depth of flavor that slow cookers sometimes miss.
  • Use full-fat sour cream in your mashed potatoes; the diet version breaks down and creates a grainy texture that feels disappointing.
  • Don't drain all the liquid from the slow cooker when you shred the chicken; that sauce is liquid gold that makes the whole dish sing.
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