Place the pumpkin puree in a medium-sized bowl and whisk in the brown sugar.
What's the easiest way to make the pumpkin puree, and what kind of pumpkin should I use?
Add the pumpkin puree (you should have about 2 3/4 cups/600 g) and whisk to blend well.
Reserve any remaining pumpkin puree for another use.
A day or two before Thanksgiving: Mix and freeze the pumpkin puree.
Pour the mixture through a sieve into the pumpkin purée.
Stir in the pumpkin puree and the brandy.
Add the pumpkin puree and beat just until smooth.
Heat 1/2 cup each pitted prunes and canned pumpkin puree with 4 cups water on low for 30 minutes.
In a separate bowl, mix together the vegetable oil, yogurt, eggs, sugar and pumpkin puree.