Ingredients
The following ingredients have 4 Servings
- 1 1/2 tablespoons extra-virgin olive oil
- 1 small sweet onion, halved, thinly sliced crosswise
- 4 ounces mixture of your favorite mushrooms; I used a mix of shiitake and oyster
- 1 teaspoon fresh thyme leaves from 5-6 sprigs
- 1 teaspoon minced Italian flat-leaf parsley, leaves only
- Pinch of sugar
- Sea salt
- Freshly ground black pepper
- 1 cup red wine (young, full-bodied and easy drinking - I used a Chilean Cab)
- 4-5 sprigs fresh thyme
- 2 cloves garlic, crushed with the flat side of a large knife
- 3/4 cup chicken stock
- 1 tablespoon Worcestershire sauce
- 1/4 cup beef broth from a concentrated paste (that is what I had on hand, can also use beef stock)
- 1 tablespoon unsalted butter
- 1 1/2 pounds best ground beef you can find (85-90% lean), preferably grass-fed
- 1/2 teaspoon salt
- Freshly ground black pepper
- 1/4 cup semi-firm, crumbly, rich blue cheese such as Gorgonzola or Roquefort (for a really decadent burger, you could also use Spanish Cabrales - it is so rich and so good but it can also easily overpower your burger so make sure you distribute it well. It is al