Chocolate Raisin Walnut Pie

This Chocolate Raisin Walnut Pie Recipe, from Andrea Spring of Bradenton, Florida, won the First Place Raisin Category and Best in Show in the Professional Category at the 2010 American Pie Council Crisco National Pie Championships.
Thanks to the California Raisin Marketing Board for allowing us to use this recipe and photo.

Prep Time: 25 minutes
Cook Time: 30 minutes
Total Time: 55 minutes
Yield: 8 Servings
Ingredients:
Crust:
1/4 cup plus 2 tablespoons shortening
1/4 teaspoon distilled white vinegar
1-1/2 teaspoons milk
2 tablespoons hot water
1 cup all-purpose flour
1/2 teaspoon salt
3/4 teaspoon cornstarch
Filling:
1 cup California raisins
3/4 cup milk chocolate chips
3/4 cup chopped walnuts
3 eggs
2/3 cup granulated white sugar
1/4 teaspoon cinnamon
1 teaspoon vanilla extract
1/3 cup melted butter
1 cup dark corn syrup
Preparation:
In small bowl, combine shortening, vinegar and milk. Add hot water; mix well. In medium bowl, mix together flour, salt and cornstarch. Add shortening mixture. Mix until dough forms. Wrap dough in plastic wrap and let stand in refrigerator for at least 1 hour.
Then, roll out dough to fit 10-inch pie pan. Arrange in pie pan and crimp edges. Sprinkle and spread raisins, chocolate chips, and chopped walnuts evenly over bottom.
Preheat oven to 400 degrees F. In large bowl, mix eggs, sugar, cinnamon, vanilla, butter and corn syrup until well blended. Add chocolate chips and walnuts; mix well. Carefully pour over raisins in pie crust. Bake at 400¢ªF for 10 minutes. Reduce temperature to 350 degrees F and bake until center of pie is set; about 30 minutes.