Kahlua Chocolate Nut Squares

This recipe is from Just Chocolate Recipes. I made them last year without the icing and they were delicious. But this is the original recipe. It was one of my favorites.

1 1/4 C sifted flour
3/4 ts baking powder
1/2 ts salt
1/2 c butter, softened
3/4 c brown sugar, packed
1 large egg
1/4 c plus 1 tblsp Kahlua
1 c Semi-sweet chocolate pieces
1/3 c Chopped Walnuts

Icing

2tb butter
1tb Kahlua
2tb Milk or cream
1 1/3 c powdered sugar

Grease 7 X 11 baking pan. Preheat oven to 350. Resift flour with baking powder and salt
Cream butter and sugar then beat in egg. Stir in 1/4 cup Kahlua, then add flour mixture, stir
until well blended. Fold in chocolate pieces and nuts. Spread evenly in prepared pan and bake for 30 mins or until top springs back when touched lightly in center. Do Not Overbake. Remove from oven and cool 15 mins. then brush tops with 1 tbls Kahula and frost when completely cooled.

Brown Butter Icing: In a saucepan heat butter until lightly browned. Remove from heat. Add Kahlua, milk, and powdered sugar. Frost Nut Squares and cut into 1 inch squares.