Equipment
Ingredients
Gelatin Base
- 60 ml water, cold
- 7 g gelatin
Pumpkin Custard
- 3 eggs, separated
- 100 g sugar
- 300 ml canned pumpkin puree
- 2½ g ginger, ground
- 2½ g cinnamon, ground
- 2½ g nutmeg, ground
- 1 g salt
- 120 ml milk
Meringue and Cream
- 100 g sugar
- 120 ml heavy cream
Nutrition (per serving)
Nutrition is estimated per serving. Nutrients without complete source data are omitted.
Full nutrition
- Calories
- 270 kcal
- Protein
- 6 g
- Carbohydrates
- 40 g
- Fat
- 11 g
- Fiber
- 2 g
- Sugar
- 37 g
- Sodium
- 120 mg
- Saturated Fat
- 6 g
- Trans Fat
- 0 g
- Monounsaturated Fat
- 3 g
- Polyunsaturated Fat
- 1 g
- Cholesterol
- 118 mg
- Potassium
- 193 mg
- Calcium
- 70 mg
- Iron
- 1.3 mg
- Magnesium
- 20 mg
- Phosphorus
- 98 mg
- Zinc
- 0.6 mg
- Vitamin A
- 520 mcg
- Vitamin C
- 2 mg
- Vitamin D
- 1.1 mcg
- Vitamin E
- 1.0 mg
- Vitamin K
- 9 mcg
- Vitamin B6
- 0.1 mg
- Vitamin B12
- 0.3 mcg
- Thiamin
- 0.03 mg
- Riboflavin
- 0.22 mg
- Niacin
- 0.3 mg
- Folate
- 20 mcg
- Water
- 103 g
Sources: USDA FoodData Central
Method
Fill a medium pot with 5cm (2 inches) of water and bring to a simmer to create a double boiler.
In a small pot, combine the cold water and gelatin. Let sit for 2 minutes to soften.
Heat the gelatin mixture over low heat, stirring until dissolved. Do not allow it to boil. Remove from heat and cool.
Whisk the egg yolks and 100g of sugar in a medium stainless steel bowl until combined.
Stir the pumpkin puree, ginger, cinnamon, nutmeg, salt, and milk into the egg yolk mixture.
Place the bowl over the simmering water. Whisk constantly for 5 minutes until the mixture thickens to a custard consistency (approximately 74°C/165°F).
Stir the dissolved gelatin into the warm pumpkin mixture. Transfer to a large bowl and cool for 15 minutes.
In a separate bowl, beat the egg whites to soft peaks. Gradually add the remaining 100g of sugar and beat until firm peaks form.
Gently fold the egg whites into the cooled pumpkin mixture in two batches until just combined.
Whip the heavy cream in a clean bowl until stiff peaks form.
Fold the whipped cream into the mousse. Portion into glasses and chill for at least 2 hours (up to 24 hours) until set.
Chef's Notes
- Ensure your egg whites and heavy cream are very cold for optimal whipping. This helps them achieve maximum volume and stability.
- When making the custard, constant whisking over the double boiler is crucial to prevent the egg yolks from scrambling and to achieve a smooth, thickened texture.
- Be gentle when folding the whipped egg whites and cream into the pumpkin base. Overmixing will deflate the mousse and result in a denser texture.
- For a richer flavor, consider using roasted pumpkin puree instead of canned, though canned offers convenience and consistent results.
- Taste the pumpkin custard mixture before chilling and adjust spices or sweetness as needed. The flavors will meld and slightly mellow as it sets.
Storage
Refrigerator: 2 days — Store covered to prevent the surface from drying out.
Troubleshooting
Mousse did not set and remains liquid
Cause: Gelatin was not fully dissolved or was overheated/boiled during the dissolving phase.
Fix: Cannot be fixed once folded with cream and whites.
Prevention: Ensure gelatin is bloomed in cold water and only heated until just transparent.
Lumpy or grainy texture in the base
Cause: Egg yolks curdled during the double boiler cooking phase from excessive heat.
Fix: Strain the pumpkin mixture through a fine-mesh sieve before adding gelatin.
Prevention: Whisk constantly and ensure the bowl does not touch the simmering water directly.
Cultural Context
Pumpkin mousse, while not tied to a single ancient tradition, is a popular American dessert, especially during the autumn harvest season and holidays like Thanksgiving. It draws inspiration from classic European mousses and custards, adapting them with the quintessential American ingredient of pumpkin, often flavored with warming spices associated with fall baking.
