Prep. time: 20 minutes
Cooking time: 10 minutes

During grilling season, prepare the onions and sauce ahead of time in your kitchen, then the grill the burgers and buns on the barbecue.

For an added treat, replace the sautéed onions with fried onion rings. 

1.  Peel and slice the onions into rings. Sauté in a spoonful of oil until lightly colored. Set aside.
2. In a bowl, combine the ground beef and walnuts. Season with salt and pepper. Divide the mixture in half and form into two patties about 2 cm thick.
3. Place the cubed blue cheese in a saucepan with the cream and pepper. Heat to a simmer, stirring until the cheese is melted and it starts to thicken.
4. Cook the burgers in a skillet brushed with oil.
5. Meanwhile, split the buns and toast in a dry skillet or under the broiler.
6. Assemble the burgers in this order: lettuce, onion, burger, blue cheese sauce. Serve immediately.  

Pereira - This medium-bodied dry red is rather rustic and honest, two qualities that are perfectly matched with hearty dish. Its fruity blended tannins have a good deal of depth.