Washington State Burger (Aka Wild Mushroom-Cheddar Burger) (Bobby Flay) Recipe - Details, Calories,

Ingredients

• 2 tbsp olive oil
• 1 tbsp unsalted butter
• 12 oz assorted mushrooms , such as cremini , lobster , chanterelles , and stemmed shiitakes, coarsely chopped
• 1 small shallot, finely diced
• kosher salt and freshly ground black pepper
• 1 tbsp chopped fresh thyme leaves
• 2 tbsp chopped fresh flat-leaf parsley
• 1 1/2 lb ground chuck (80 percent lean) or ground turkey (90 percent lean)
• 2 tbsp canola oil
• 4 slices sharp cheddar
• 4 hamburger buns, split; toasted if desired