Ingredient:

• 2 cups all-purpose flour
• 1/3 cup sugar
• 1 teaspoon grated orange zest
• 1/2 teaspoon salt
• 2/3 cup cold butter, cubed
• 1 large egg, lightly beaten
• 1/4 cup heavy whipping cream
• FILLING:
• 3 large eggs
• 1 can (15 ounces) pumpkin
• 1/2 cup sugar
• 1/2 cup heavy whipping cream
• 1/4 cup packed brown sugar
• 1/4 cup bourbon
• 2 tablespoons all-purpose flour
• 1 teaspoon ground cinnamon
• 1 teaspoon ground ginger
• 1/4 teaspoon salt
• 1/4 teaspoon ground cloves
• 3/4 cup all-purpose flour
• 1/3 cup sugar
• 1/3 cup packed brown sugar
• 1/2 teaspoon salt
• 1/2 teaspoon ground cinnamon
• 1/2 cup cold butter, cubed
• 3/4 cup coarsely chopped walnuts, toasted
• 1/4 cup chopped crystallized ginger