Pecan Apple Pumpkin Pie

Ingredients

• 1/3 cup packed light brown sugar
• 1 tablespoon cornstarch
• 1 teaspoon ground cinnamon
• 1/2 teaspoon salt
• 1/3 cup water
• 2 tablespoons unsalted butter
• 1 teaspoon vanilla extract
• 3 cups sliced peeled tart apples (mixture of Granny Smith and Fuji)
• Pie dough for single-crust pie (store-bought or [homemade
• http://goboldwithbutter.com/?p=4700] )
• 3/4 cup canned pumpkin
• 3/4 cup evaporated milk
• 1/3 cup granulated sugar
• 1 large egg
• 1 tablespoon pumpkin pie spice
• 1/4 teaspoon salt
• 1/2 cup packed light brown sugar
• 6 tablespoons unsalted butter
• 3 tablespoons heavy cream
• 1 1/2 cups pecans, semi-chopped