Good-Cooking - Reese's Mousse Pie

Ingredients

• 1 (9-inch) pie crust, baked and cooled
• 1 2/3 cups (10 ounce package) Reese's Peanut Butter Chips, divided
• 3 ounces cream cheese, softened
• 1/4 cup confectioners sugar' sugar
• 1/3 cup plus 2 tablespoons milk, divided
• 1 teaspoon unflavored gelatin
• 1 tablespoon cold water
• 2 tablespoons boiling water
• 1/2 cup granulated sugar
• 1/3 cup unsweetened cocoa powder
• 1 cup cold whipping cream
• 1 teaspoon vanilla extract