Caramel Apple-Nut Crumb Pie Recipe by Paula Deen

Ingredients

• 1/2 cup Sour cream
• 3/4 cup warm dulce de leche
• 1 egg plus 1 egg yolk
• 1/4 cup granulated sugar
• 2 tablespoons All-purpose flour
• 1 teaspoon vanilla
• 1 teaspoon freshly squeezed lemon juice
• 1/2 teaspoon ground cinnamon
• 1/4 teaspoon Ground nutmeg
• 1/4 teaspoon salt
• 4 Granny Smith apples
• 1 prepared 9-inch graham cracker crust*
• 1/2 cup 1 stick cold unsalted butter
• 1/2 cup packed light brown sugar
• 1 cup All-purpose flour
• 1/3 cup finely chopped walnuts