Butter Tart Squares

Ingredients

• 1.5 cups brown sugar packed
• 0.3 cup butter melted
• 2 tablespoons confectioners' sugar 
• 2  eggs beaten
• 1.3 cups flour all-purpose
• 1 cup raisins 
• 1 teaspoon vanilla extract 
• 1 tablespoon distilled vinegar white

Equipment

• bowl
• frying pan
• oven
• blender

Directions

1. Preheat oven to 350 degrees F (175 degrees C).
2. 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.
3. Bake in preheated oven for 5 minutes.
4. To Make Filling: In a large bowl combine brown sugar, melted butter or margarine, beaten eggs, vinegar, vanilla, and raisins.
5. Pour over base and bake in preheated oven for 35 to 40 minutes, until set.