01 -
Slice each chicken breast halfway lengthwise to create four fillets. Season with salt and pepper on both sides.
02 -
Warm olive oil and melt butter in a cast iron pan over medium heat until hot.
03 -
Add chicken fillets to the pan and fry for 6 to 8 minutes until golden brown on both sides. Remove to a plate and set aside.
04 -
In the same pan, add diced shallot and cook for 1 to 2 minutes until translucent.
05 -
Stir in finely chopped garlic and fresh thyme, rosemary, and tarragon. Cook for 1 minute, then pour in white wine to deglaze the pan. Simmer until most alcohol evaporates, approximately 2 minutes.
06 -
Mix in wholegrain mustard followed by chicken stock. Allow to simmer for 1 minute.
07 -
Reduce heat and stir in heavy cream. Continue to simmer for 3 to 4 minutes until sauce thickens slightly.
08 -
Return cooked chicken to the pan, simmer for an additional 2 minutes to heat through and meld flavors.
09 -
Adjust seasoning with salt and pepper to taste. Garnish with fresh parsley and serve immediately.