Clementine Tart

Ingredients

• 1 cup all-purpose flour
• 1/4 cup powdered sugar
• 1/2 cup unsalted butter, cold and cut into small pieces
• 1/4 teaspoon salt
• 1-2 tablespoons cold water
• 1 cup juice from about 4-5 SanLucar clementines
• 1 cup sugar
• 1/4 cup cornstarch
• 4 egg yolks
• 1/2 cup water
• 1/4 cup butter, cut into small pieces
• 1 teaspoon grated zest of a SanLucar clementine