1 1/4 c. sifted all-purpose flour
3/4 tsp. baking powder
1/2 tsp. salt
1/2 c. soft butter
3/4 c. brown sugar, packed
1 lg. egg
1/4 c. Kahlua
1 c. semi-sweet chocolate pieces
1/3 c. chopped walnuts
1 tbsp. Kahlua for tops of bars
Brown Butter Icing (see below)

Resift flour with baking powder and salt. Cream butter, sugar and egg together well. Stir in Kahlua, then flour mixture; blending well. Fold in chocolate pieces and walnuts. Spread evenly in greased baking pan (7 x 11 x 1 1/2). Bake in moderate oven (350 degrees) for 30 minutes or until top springs back when touched lightly in center. Remove from oven. Cool in pan 15 minutes, then brush top with remaining tablespoon Kahlua. When cold, spread with Brown Butter Icing.

Brown Butter Icing:

Place 2 tablespoons butter in saucepan over low heat. Heat until lightly browned. Remove. Add 1 tablespoon Kahlua, 2 teaspoons milk or light cream, and 1 1/3 cups sifted powdered sugar. Beat smooth.