Boil the chestnuts and blend them with water until smooth. Add more water if needed.

Add brown sugar, honey, and water to the blended chestnuts and cook until thickened.

Let the chestnut jam cool completely before use.

Whip the heavy cream with 2 tbsp of sugar until soft peaks form.

Mix the whipped cream with the cooled chestnut jam.

Add a large spoonful of mashed chestnuts to the mixture and combine.