Recipe : Butter Tart Squares

Ingredients
1/2 cup butter
2 tablespoons confectioners' sugar
1 1/4 cups all-purpose flour
1 1/2 cups packed brown sugar
1/4 cup butter, melted
2 eggs, beaten
1 tablespoon distilled white vinegar
1 teaspoon vanilla extract
1 cup raisins

Directions
Preheat oven to 350 degrees F (175 degrees C).
To Make Base: In a small mixer bowl, cream together 1/2 cup butter or margarine and confectioners' sugar. Blend in flour. Pat into 9X9 inch square pan. Bake in preheated oven for 5 minutes.
To Make Filling: In a large bowl combine brown sugar, melted butter or margarine, beaten eggs, vinegar, vanilla, and raisins. Pour over base and bake in preheated oven for 35 to 40 minutes, until set.