01 -
Generously season chicken breasts on both sides with salt and black pepper.
02 -
Heat olive oil in a large skillet over medium-high heat. Place chicken breasts in skillet and cook for 6 to 7 minutes per side until golden brown and cooked through.
03 -
Transfer cooked chicken to a plate and cover loosely with aluminum foil to keep warm.
04 -
Reduce heat to medium. Add chopped onion to same skillet and sauté for 3 to 4 minutes until translucent. Stir in minced garlic and cook for 1 to 2 minutes, stirring frequently.
05 -
Carefully pour Irish whiskey into skillet, scraping up any browned bits. Simmer for 5 minutes to reduce alcohol.
06 -
Add chicken broth and bring to a gentle simmer for 5 minutes.
07 -
Lower heat. Slowly add heavy cream, stirring continuously. Blend in Dijon mustard and thyme. Simmer for 3 to 4 minutes until sauce begins to thicken.
08 -
Taste sauce and adjust salt and pepper as needed. Stir in butter until fully melted for richness.
09 -
Return chicken breasts to skillet, spooning sauce over each. Simmer for 2 to 3 minutes to heat through and infuse flavors.
10 -
Arrange chicken on individual plates. Drizzle with whiskey cream sauce and garnish with chopped fresh parsley.