DES Sweet Potato Pie with Pecan Crumble

Sweet Potato Pie with Pecan Crumble 


3 to 4  sweet potatoes (about 2 pounds)

1⁄2   (14.1-ounce) package refrigerated piecrusts (1 sheet)

4   large eggs

1   large egg yolk

2   cups firmly packed light brown sugar

1⁄2   cup heavy whipping cream

1⁄4   cup butter, melted

2   teaspoons vanilla extract

1   teaspoon ground cinnamon

1⁄2   teaspoon ground nutmeg

1⁄2   teaspoon ground cloves

Pecan Crumble (recipe follows)