Apple Onion Burger - Sutter Home Family Vineyards

Ingredients

• 1 Large sweet onion (Vidalia, Walla Walla, or Maui) sliced thin
• 2T Olive oil
• 2T Butter
• 1 Large sweet onion sliced into 1/8 to 1/4 inch rings and soak in cold water
• 1C all purpose flour
• 2t salt
• 1/2t ground black pepper
• 1Q vegetable oil
• 1 lb ground chuck
• 1 lb ground sirloin
• 1 C red wine (Sutter Home Merlot) reduced to 1-2T
• 1T Worcestershire sauce
• 3T cold butter
• Vegetable oil for brushing grill
• 6 Kaiser rolls, split
• 6 oz frozen blue cheese
• 2 tart crisp apples such as granny smith or ginger crisp, cored and sliced into thin rounds