Goat Cheese Mushroom Burger – Fustini's Oils & Vinegars

Ingredients

• 3 tablespoons Fustini's Sage & Wild Mushroom olive oil
• 8 ounces mushrooms, finely chopped
• 1 small onion, peeled and finely chopped
• 1 tablespoon Fustini's 12 Year White balsamic
• 1 pound of ground beef
• 1 egg, beaten
• 1/2 cup panko or bread crumbs
• 2 tablespoons Worcestershire sauce
• salt and pepper to taste
• 8 ounces of goat cheese
• 2 tablespoons Fustini's Tuscan spice blend
• Fresh greens
• 4 hamburger buns