Best ever butter tarts

got this from my daughter in law who got it out of the RobinHood site.

• Ready In: 35 mins
• Serves: 24

Ingredients

• 24  prepared tart shells
• 1  cup raisins
• 2  eggs
• 1  cup brown sugar
• 1  cup corn syrup
• 1⁄2 cup butter, softened
• 1 1⁄2 teaspoons vanilla

Directions

1. Divide raisins among the tart shells.
2. In a bowl lightly beat together eggs, brown sugar, corn syup, butter& vanilla.
3. Pour over raisins, filling 3/4 full.
4. Bake 425 for about 15 min until they puff, they will drop down when taken out of the oven.
5. Cool on wire rack.