Butter Tart Squares

Temp: 350^oF

Base:

1 cup butter or margarine
2 cups flour
4 Tbsp brown sugar

Cut butter or margarine and brown sugar into flour until crumbly.  Press into a buttered 9 x 13 pan.  Bake at 350^oF for 15 minutes.

Filling:

3 cups brown sugar
4 eggs, beaten
1 cup rolled oats
1/2tsp salt
1 tsp baking powder
2 tsp vanilla
1 cup raisins (or chopped nuts)

Mix ingredients well.  Pour over partially baked crumb layer.  Return to oven and bake for 20 minutes longer.  Cool before cutting into squares.