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Creamy Pepperoncini Chicken Skillet

Creamy pepperoncini chicken skillet with golden pan-seared breasts simmered in a glossy, tangy cream sauce tinged yellow-green with whole pepperoncini peppers. This one-pan Italian chicken dinner uses parmesan to thicken the sauce and finishes with fresh parsley for a bright, slightly spicy finish.
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Prep Time 10 minutes
Cook Time 25 minutes
Total Time 35 minutes
Servings: 4 servings
Course: Main Dish
Cuisine: Italian-American
Calories: 620
Ingredients Equipment Method Notes

Ingredients
  

Chicken breasts and seasoning
  • 4 boneless skinless chicken breasts Use evenly sized breasts for best sear and cook-through.
  • 0.25 tsp salt Season to taste.
  • 0.25 tsp black pepper Season to taste.
  • 2 tbsp olive oil For pan-searing.
Cream sauce base
  • 4 garlic cloves Minced.
  • 1 cup pepperoncini peppers, with some brine Keep whole peppers; reserve brine for deglazing.
  • 0.5 cup chicken broth Low-sodium works too.
  • 1 cup heavy cream For a glossy, thick sauce.
  • 0.5 cup parmesan cheese, grated Stir in off-and-on heat to melt smoothly.
  • 1 tbsp butter Adds richness for the garlic step.
  • 1 tsp Italian seasoning Brings classic flavor.
  • 0.25 cup fresh parsley Chopped or left as sprigs for garnish.

Equipment

  • 1 cast iron skillet

Method
 

Sear the chicken
  1. Season the boneless skinless chicken breasts with salt and black pepper to taste, then sear in olive oil in a large cast iron skillet over medium-high heat for 5–6 minutes per side until golden; remove and set aside.
  2. While the chicken rests, keep the pan on the same burner so you can use the browned bits for the sauce.
Build the sauce
  1. Melt butter in the same pan, add minced garlic, and cook for 1 minute until fragrant.
  2. Add chicken broth and 2 tablespoons pepperoncini brine and stir to deglaze, scraping up browned bits from the skillet.
  3. Add heavy cream, Italian seasoning, and whole pepperoncini peppers, then bring to a simmer.
  4. Stir in grated parmesan until melted, then nestle the chicken back into the sauce.
  5. Cook for 5 more minutes until the chicken is cooked through and the sauce thickens to a glossy consistency.
Serve
  1. Garnish with fresh parsley and serve the pepperoncini chicken over mashed potatoes, rice, or pasta.

Notes

Pro tip: For the creamiest sauce, melt the parmesan only after the cream simmers so it smooths in without clumping. Refrigerate leftovers in an airtight container for up to 3 days; reheat gently on the stove. Freezing isn’t recommended because cream sauces can break after thawing. Dietary swap: use half-and-half in place of heavy cream for a lighter sauce (simmer slightly longer to thicken).