Savory German Onion Tart Recipe (Zwiebelkuchen) | Foodal

Ingredients

• 1 1/4 cups all-purpose flour
• 1/2 teaspoon salt
• 1/2 cup (1 stick) cold unsalted butter, cubed
• 1/4 cup creme fraiche
• 1 tablespoon cold water, if needed
• 6 ounces thick-cut bacon (about 6 slices)
• 2 medium white onions, thinly sliced (about 1 pound)
• 1/4 teaspoon ground black pepper
• 2 large eggs
• 1/2 cup creme fraiche