INGREDIENTS
1 tbsp
olive oil
4
skinless boneless chicken breasts
2 tsp
garlic powder
1 tsp
ground thyme
1 cup
gruyere cheese
4 tbsp
parmesan cheese
2 tbsp
unsalted butter
4 larges
onions
1 pinch
Salt & Pepper
2 tsp
fresh thyme
2 tbsp
white balsamic vinegar
2 cloves
garlic
1/2 cup
beef broth