Rhubarb Pie

Name: Rhubarb Pie
Ingredients: 1 full recipe Perfect Pie Crust ( 2 single crusts); All-purpose flour , for rolling the dough; 6 cups (1 3/4 pounds or 800 g ) fresh rhubarb , chopped; 1/4 teaspoon packed grated orange zest; 1 cup ( 200 g ) granulated sugar; 1/3 cup ( 38 g ) tapioca starch; 1/4 teaspoon ground nutmeg; 1/4 teaspoon kosher salt; 1 tablespoon heavy cream , half and half, or milk; 1 large egg yolk; Turbinado sugar , for sprinkling