In a small bowl, add raisins and spiced rum. Let raisins plump in the rum for 30-60 minutes. Drain and keep rum for your next cocktail or glass of eggnog.
Preheat oven to 375 F.
In a medium-sized bowl, whisk 2 eggs. Mix in syrup, butter, brown sugar and vanilla.
On a baking sheet, spoon-filling into unbaked Pie Junkie tart shells about 2/3 full.
Bake for 15-20 minutes or until the crust starts to turn brown.
Remove from oven and let sit in the pan for 5 minutes. Remove to a rack and cool.