INGREDIENTS
1/2 cup
chicken stock chicken stock
1/4 cup
sherry sherry
2 tbsps
dijon mustard dijon mustard
2
garlic cloves garlic cloves
1 tsp
thyme leaves thyme leaves
1/2 tsp
kosher salt kosher salt
1/2 tsp
pepper pepper
2 tbsps
butter butter
1 medium
onion onion
3
chicken breasts 2 lbs