Burgers au Poivre with Vineyard Cheese Sauce - Sutter Home Family Vineyards

Ingredients

• 2 pounds ground beef (preferably half chuck and half sirloin)
• 3 tablespoons Grey Poupon Dijon mustard
• 2 shallots, finely chopped
• 1 1/2 tablespoons herbes de Provence
• 1 1/2 teaspoons salt
• 3 tablespoons cracked black peppercorns or coarsely ground fresh black pepper
• 1 package prepared cheese fondue (most packages range from 10-14 ounces)
• 1/4 cup Colavita Olive oil, for brushing on the grill rack and French bread or rolls
• 1 large French baguette, cut into 6 equal pieces or 6 French rolls, sliced horizontally
• 18-24 small tender baby spinach leaves