INGREDIENTS
4 tbsp
butter
2 tbsp
vegetable oil
6 oz
crimini mushrooms
2 media
onions
1/4 tsp
thyme
1 tbsp
sugar
1 1/2 tbsp
balsamic vinegar
1/4 tsp
garlic powder
1 serving
salt
1 serving
bell pepper
4 oz
gruyere cheese i used applewood gruyere
1 lb
puff pastry
1
egg