Pumpkin Pie in a Sheet Pan recipe - from the The Nedostup Family Cookbook Project Family Cookbook

Ingredients

• Cooking spray
• 1 pound (4 sticks) unsalted butter, at room temperature
• 1 1/4 cups confectioners' sugar
• 1 teaspoon kosher salt
• 5 cups all-purpose flour, plus more for dusting
• 1 large egg
• Filling:
• Two 15-ounce cans pumpkin puree
• 2 1/2 cups heavy cream
• 1 1/2 cups granulated sugar
• 4 large eggs, lightly beaten
• 2 teaspoons ground cinnamon
• 1 teaspoon grated nutmeg
• 1 teaspoon pure vanilla extract
• 1/2 teaspoon kosher salt
• Whipped cream, for serving