Silky Pumpkin Mousse Pie

If traditional pumpkin pie lands too heavy after a Thanksgiving feast, this airy mousse version is the answer. Egg whites do all the lifting, no yolks weighing things down. Blended in the food processor with pumpkin puree, brown sugar, and a touch of orange zest, the whites whip to medium peaks while incorporating the filling, creating a mousse so light it almost feels weightless on the fork.

The cornstarch slurry made with hot evaporated skim milk is what gives this no-bake pie its set. Heating the milk just below boiling activates the cornstarch, and pouring it streaming into the running processor cooks the egg whites enough to safely set without scrambling them. Once the chilled mousse hits the baked crust, it firms up in two hours flat.

The orange zest and tablespoon of fresh juice are the signature notes. Citrus and pumpkin are an underutilized pair, the brightness cutting through the spice while highlighting pumpkin’s natural sweetness. A teaspoon of cinnamon and a tiny grating of fresh nutmeg round it out.

Pro Tips

• Heat the milk-cornstarch mixture in 30-second microwave bursts, stirring between each. Bringing it to a hard boil breaks the cornstarch bond.
• Use only fresh egg whites, not carton-style. Pasteurized whites won’t whip to the same volume.
• Pour the hot milk slowly into the running processor in a steady stream. Dumping it in chunks scrambles the whites.
• Garnish with the recipe’s suggested crunchy oat sprinkles or candied pecans for textural contrast against the airy mousse.

Variations

• Swap orange zest for lemon zest for a brighter, less sweet note.
• Add a tablespoon of bourbon or rum for a holiday-spirit version.
• Use a gingersnap crumb crust instead of pastry for spicy depth that plays off the pumpkin.