Preheat the oven to 375 degrees F (190 degrees C).
Mix graham cracker crumbs, brown sugar, melted butter, flour, and cinnamon together for crust until mixture is binding together. Press into a 9-inch pie plate.
Line the crust with aluminum foil, gently pressing into place. Pour 1 inch of dry rice or dried beans onto the foil.
Bake in the center rack of the preheated oven until golden, about 7 minutes. Transfer the crust to a wire rack to cool.
Preheat the oven to 425 degrees F (220 degrees C).
Whisk pumpkin, heavy cream, brown sugar, milk, eggs, cinnamon, ginger, cloves, nutmeg, and sea salt together in a bowl until well blended. Remove foil and rice or beans from crust and set on a baking sheet; pour in the filling.
Bake in the preheated oven for 15 minutes. Reduce the oven temperature to 350 degrees F (175 C). Continue to bake until set, about 40 minutes. Transfer to a wire rack to cool. Raise the oven temperature to 375 degrees F (190 C).
While the pie cools, make the meringue. Beat egg whites in a medium bowl using an electric mixer at medium speed until frothy, about 2 minutes. Add cream of tartar and continue to beat until soft peaks form, about 2 minutes more. Blend in sugar slowly; increase the mixer's speed to medium-high and beat until egg whites are stiff and glossy, about 2 minutes more.
Spoon meringue onto the pie, using the back of a spoon to form small peaks.
Return the pie to the oven and bake until meringue is golden brown, about 10 minutes. Transfer the pie to a wire rack to cool completely before serving.
Nutritional Facts
Per 8 servings
Calories: 452
Carbohydrate: 58g
Fat: 23g
Fiber: 2g
Protein: 6g
Sugar: 45g
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