In a medium saucepan, add the pumpkin purée and brown sugar.
3/4 cup canned pumpkin purée, 1/3 cup packed brown sugar
Then add the maple syrup and stir well until fully combined.
2 tbsp maple syrup
Cook over medium heat for 3–5 minutes.
Remove from heat and whisk in spices and salt.
pinch of salt, 1/2 tsp cinnamon, 1/4 tsp ginger powder, 1/4 tsp nutmeg, pinch of cloves powder
Stir frequently until slightly thickened and fragrant.
In a separate mixing bowl, whisk the egg yolks with the cream.
2 large egg yolks, 1/2 cup heavy cream
Then, add the milk.
1/4 cup whole milk
Add the vanilla as well and stir until blended.
1/2 tsp vanilla extract, 1/8 tsp salt
Gradually add it to the pumpkin mixture.
Whisk until the mixture is smooth and well combined.
Pour the filling into the cooled crusts. Bake at 325°F (165°C) for 20–25 minutes for mini tarts, or 35–40 minutes for a large tart.
Cool at room temperature, then chill at least 3 hours or overnight.
Just before serving, sprinkle an even layer of sugar on top of each tart.
Use a kitchen torch to caramelize the sugar until golden and crisp. Let it stand 2–3 minutes to harden.
Garnish with whipped cream or chocolate curls if desired.