Butter Tarts

Bahan-bahan (14 porsi)

• 2 9 -inch pie crusts
• ¼ cup unsalted butter
• ¾ cup raisins* or chopped toasted walnuts (or pecans or a mix)
• 1 tablespoon bourbon (optional)
• ⅔ cup brown sugar (light or dark)
• ½ tablespoon all purpose flour
• 2 large eggs (at room temperature)
• ⅓ cup plus 1 tablespoon pure maple syrup (do not use imitation or “breakfast” syrup)
• 1 tablespoon pure vanilla extract
• ½ teaspoon kosher salt