Name: Creamy Mustard Leek Braised Chicken
Prep time: 10 min
Cook time: 35 min
Total time: 45 min
Yield: 4
Ingredients: 4 boneless skinless chicken breasts (about 6 ounces each); 2 large leeks, white and light green parts only, halved lengthwise, rinsed thoroughly, and sliced into 1/2-inch pieces; 2 tablespoons olive oil or neutral cooking oil; 1 teaspoon kosher salt, plus more to taste; 1/2 teaspoon freshly ground black pepper, plus more to taste; 3 tablespoons Dijon mustard; 1 cup heavy cream; 1/2 cup chicken stock or water; 2 garlic cloves, minced (optional pantry staple)

Description

Seared chicken breasts simmer gently with leeks in a tangy mustard cream sauce that becomes silky and comforting. The one-skillet braise takes about 35 minutes and highlights the leeks' natural sweetness against sharp mustard notes. Perfect for a quick weeknight meal that feels elegant without extra steps.

Cultural Background

This dish draws from French culinary traditions where mustard, particularly Dijon mustard from the Burgundy region, has been a staple since the Middle Ages for its preservative and flavor-enhancing qualities in sauces. Leeks, known as "poor man's asparagus" in French cuisine, feature prominently in regional braises and potages for their mild sweetness when cooked slowly. Cream-based sauces with mustard echo classic French techniques like those in poulet à la moutarde, adapted here for a simple one-pan braise that balances richness and tang, influenced by European farmhouse cooking emphasizing seasonal vegetables and quick simmering methods.

Recipe Info

PREP TIME: 10 minutes
COOK TIME: 35 minutes
TOTAL TIME: 45 minutes
SERVINGS: 4
DIFFICULTY: Easy

Ingredients

4 boneless skinless chicken breasts (about 6 ounces each)
2 large leeks, white and light green parts only, halved lengthwise, rinsed thoroughly, and sliced into 1/2-inch pieces
2 tablespoons olive oil or neutral cooking oil
1 teaspoon kosher salt, plus more to taste
1/2 teaspoon freshly ground black pepper, plus more to taste
3 tablespoons Dijon mustard
1 cup heavy cream
1/2 cup chicken stock or water
2 garlic cloves, minced (optional pantry staple)

Instructions

Pat the chicken breasts dry with paper towels and season both sides evenly with 1 teaspoon salt and 1/2 teaspoon pepper. Heat 2 tablespoons oil in a large skillet over medium-high heat until shimmering, about 1 minute. Add the chicken breasts and sear undisturbed for 4-5 minutes until golden brown on the bottom, then flip and sear the second side for another 4 minutes until lightly browned; remove to a plate (chicken will finish cooking later).
Reduce heat to medium and add the sliced leeks (and minced garlic if using) to the same skillet. Cook, stirring occasionally, for 4-5 minutes until the leeks soften and begin to turn translucent without browning.
Stir in 3 tablespoons Dijon mustard and cook for 30 seconds until fragrant. Pour in 1 cup heavy cream and 1/2 cup chicken stock or water, scraping up any browned bits from the pan bottom. Bring the sauce to a gentle simmer.
Return the seared chicken breasts to the skillet, nestling them into the leek sauce. Cover the pan, reduce heat to low, and braise for 15-20 minutes until the chicken reaches an internal temperature of 165°F and the leeks are very tender. Stir the sauce once or twice during cooking if needed to prevent sticking.
Taste the sauce and adjust seasoning with additional salt and pepper if desired. Remove from heat and let rest for 2-3 minutes before serving to allow the sauce to thicken slightly.

Tips

- For even cooking and maximum flavor, ensure leeks are thoroughly rinsed to remove all grit before slicing.
- Avoid high heat after adding cream to prevent the sauce from separating or curdling.
- If heavy cream is unavailable, whole milk thickened with a teaspoon of flour can substitute, though the sauce will be slightly less rich.

Nutrition

Calories: 480
Protein: 42g
Carbs: 8g
Fat: 30g