Tarte Flambée Pizza - Emmi USA

Ingredients

• 1 pound pizza dough, divided in two
• 1 cup sliced Yukon gold potatoes soaked in cold water; drained and dried
• 6 tablespoons butter
• 3 tablespoons plus 2 tablespoons olive oil, divided
• 1 leek, white part only, cleaned and sliced thin
• 1 onion, sliced thin
• 2 cloves garlic, sliced thin
• pinch sugar
• 1 teaspoon Kosher salt
• 1/2 cup water
• 1 tablespoon Dijon mustard
• 1 sprig of fresh thyme, leaves only
• Fresh ground black pepper
• 1 cup Emmi Emmentaler cheese, shredded
• 1 cup Emmi Le Gruyère® AOP , shredded
• 1/4 cup cooked bacon pieces (optional)
• 1/2 cup creme fraiche
• 1/4 cup scallions or chives, minced
• 1 teaspoon Maldon salt