½cupbutter, chilled and cut into small pieces (one stick)
Top Layer:
1cupbrown sugar, packed
2largeeggs
¼cupall purpose flour
¾teaspoonbaking powder
¼teaspoonsalt
1 ½cupraisins
½cupchopped walnuts(could substitue pecans)
Instructions
Preheat oven to 350 degrees. Set aside a 9 x 9 ungreased baking pan.
To prepare the bottom layer, whisk together the 1 ¼ cup flour and ⅓ cup of brown sugar. Cut in the chilled butter cubes using a pastry knife or two butter knives. Alternatively, you could pulse this mixture in a food processor until crumbly. Press into the bottom of the pan and bake for 10 minutes. Cool slighly on wire rack.
To prepare the top layer, beat together the 1 cup of brown sugar and eggs, until light and thickened, about 2 minutes. Stir in the ¼ cup of flour, baking powder, and salt until well combined. Fold in the raisins and walnuts.
Pour top layer over bottom layer and bake for 25-30 minutes or until the center of the squares is almost firm. Cool completely before cutting into squares.
Notes
These tasty treats are a great make ahead dessert and can be refrigerated in an airtight container up to a week in advance.