Balsamic Burger with Spinach, Bacon, and Blue Cheese - Sutter Home Family Vineyards

Ingredients

• 1 cup chopped cucumber
• 2 tablespoons chopped garlic
• ½ cup mayonnaise
• 8 strips of diced smoked bacon
• ½ cup chopped yellow onion
• ½ cup brown sugar
• ½ cup lager beer
• ¼ cup balsamic vinegar
• 1 ½ pounds ground chuck
• ¼ cup Sutter Home White Zinfandel
• 2 teaspoons kosher salt
• ½ teaspoons freshly ground black pepper
• 8 ounces blue cheese crumbles
• 2 cups baby spinach