Chocolate Pecan Pie

1 cup semi-sweet chocolate chips
1/4 cup butter
2 (5 ounce) cans sweetened condensed milk
2 large eggs
1 teaspoon vanilla extract
1 1/2 cups pecans
1 recipe pastry for a 9 inch single crust pie

Preheat oven to 350 degrees F (175 degrees C). In a medium saucepan, combine chocolate, butter and condensed milk over medium heat. Stir continuously until chocolate chips melt and sauce is smooth. Remove from heat. Stir in eggs, vanilla, salt and pecans; mix well.
Pour mixture into pie shell and bake on bottom shelf of oven for 40 to 45 minutes. Serve hot or cold; cold is preferable.