3/4 cup sugar
1/3 cup pure Grade A maple syrup
1/2 teaspoon fleur de sel
1 (14-ounce) can sweetened condensed milk
1 (12-ounce) can evaporated milk
1 cup canned pumpkin puree (not pie filling)
1/2 cup (4 ounces) Italian mascarpone
4 extra-large eggs
1 teaspoon pure vanilla extract
1/2 teaspoon pure maple extract, such as Boyajian
2 teaspoons grated orange zest (2 oranges)
1 1/2 teaspoons ground cinnamon
1/2 teaspoon ground nutmeg
Preheat the oven to 350 degrees F.
The flan can be prepared and refrigerated in the pan for up to 3 days. Turn out just before serving.