Zin-Onion Marmalade

Ingredients

• 3 pounds ground chuck
• 3/4 cup crumbled blue cheese
• 1 tablespoon coarse sea salt preferably gray salt
• 1 teaspoon freshly ground black pepper
• 6 sourdough or small levain rolls
• onion marmalade Zin-
• 2 red onions medium
• 1/4 cup extra-virgin olive oil
• 1/2 teaspoon coarse sea salt preferably gray salt
• 1/4 teaspoon freshly ground black pepper
• 2 teaspoons chopped fresh thyme finely
• 2 cups zinfandel