Caramelized Onions, Blue Cheese And Wild Mushroom Flatbread Recipe

• 1 x recipe Flatbread see * Note
• 1 Tbsp. Unsalted butter
• 1 Tbsp. Extra virgin olive oil
• 3 x Spanish onions sliced thinly
• 1 tsp Sugar
• 3 Tbsp. Extra virgin olive oil
• 1 lb Assorted wild mushrooms (portobello, shiitake, chanterelle, oyster, porcini, etc.) Salt to taste Freshly-grnd black pepper to taste
• 1/2 c. Fresh mozzarella
• 1 c. Crumbled blue cheese

Directions