Chicken breast Lean, tender main protein
Boneless chicken thighs Richer and naturally juicy alternative
Whole black peppercorns Strong pepper aroma and texture
Heavy cream Creates the creamy sauce
Beef broth or stock Adds savory depth
Shallot Gentle sweetness and aroma
Garlic Adds savory flavor
Dijon mustard Balances richness
Butter Adds gloss and richness
Brandy or cognac Adds classic French-style depth
Fresh thyme Adds herbal character
Salt Enhances every flavor