RED BELL PEPPER AND ARTICHOKE TAPENADE BURGER WITH GORGONZOLA AND ARUGULA - Sutter Home Family Viney

Ingredients

• 1/4 cup butter melted
• 6 hamburger buns
• 1 onion finely chopped
• 8 slices of bacon, finely chopped
• 1/3 cup of olive oil
• 2 pounds of button mushrooms, sliced
• 2 pounds of ground chuck
• 1 1/2 teaspoons of salt
• 1 teaspoon of cracked black pepper
• 2 teaspoons of greek seasoning
• 2 tablespoons of worstershire sauce
• 1 pound of gorgonzola cheese
• 1/2 cup artichoke and roasted bell pepper tapenade
• 1/2 pound of arugula