Salisbury Steak Recipe | Say Mmm

Ingredients

• 1 lb ground grass-fed beef
• 2 shallots, very finely minced
• 1 egg yolk, beaten
• 1/2 teaspoon unrefined sea salt
• 1/2 teaspoon freshly ground black pepper
• 2 tablespoons clarified butter / ghee (see sources)
• 2 cups homemade beef stock
• 2 cups dry red wine
• 2 sprigs fresh thyme
• 1/4 cup clarified butter / ghee (see sources), divided
• 3/4 lb wild mushrooms (oysters, shiitakes, porcini etc.), chopped coarsely
• 1 large yellow onion, peeled and sliced thin