INGREDIENTS
4 tbsp
olive oil (divided)
1 cup
mushrooms sliced
1 cup
mushrooms diced
2
carrots (peeled and diced finely)
1 cup
yellow onions diced
1 clove
garlic minced
1 1/2 lb
ground beef
1/2 tsp
kosher salt
1/4 tsp
coarse ground black pepper
1/2 tsp
dried thyme
1 tbsp
Worcestershire sauce
1 1/2 cups
beef broth
1 tbsp
cornstarch
6
brioche buns toasted
6
slices Provolone cheese