Butter Tart Squares - cooking recipe

Ingredients

Base
2 cups all-purpose flour
1/2 cup white sugar
1 cup butter
Filling
1/2 cup butter
2 cups brown sugar
3 eggs
1 teaspoon vanilla
1 teaspoon baking powder
1 tablespoon flour
1/2 cup raisins

Preparation

For base: Combine flour & sugar. Cut in butter until it resembles crumbs. Press mixture into a 9 x 13 inch pan. Bake at 325 f for 15 mintues.
For filling: Cream butter and brown sugar until light and fluffy. Add eggs one at a time, mixing each one in well. Add vanilla, baking powder and flour.
Sprinkle raisins over cooled base. Spread filling over top and bake at 325 f for 25 - 30 minutes. Cool until set.
Can be put into the fridge an hour before cutting into squares for easier slicing.
1 1/4 hours time allocated for this recipe includes prep time.