Try this homemade Slow-Cooker Chicken Breasts With Creamy Mustard-Leek Sauce recipe the whole family will love. Made with Marinade, mayonnaise, cider vi…
This Slow-Cooker Chicken Breasts With Creamy Mustard-Leek Sauce relies on simple, everyday ingredients such as for the marinade, mayonnaise, cider vinegar and fresh sage, finely minced. It comes together quickly and makes 4 servings, at about 775 kcal each. The step-by-step instructions below are written to be easy to follow, even on a busy day.
It's versatile enough for an easy weeknight dinner yet satisfying enough for guests at the weekend. Serve it with your favorite sides, and keep any leftovers for a quick meal the next day.
Updated Jun 30, 2026