Cranberry-Orange Bars

Ingredients

• 3 cups fresh or frozen cranberries
• 2 large unpeeled oranges, cut into quarters and seeded
• 2-1/2 cups sugar
• 3 tablespoons cornstarch
• 1 teaspoon ground ginger
• 1/2 cup chopped nuts, optional

• crust:
• 3-1/4 cups all-purpose flour
• 3/4 cup sugar
• 1 tablespoon grated lemon zest
• 1 cup butter, cubed
• 3 large egg yolks
• 3/4 teaspoon vanilla extract
• 1 to 2 tablespoons water