Brownie Pecan Pie Bars

1/4 c Butter, plus ...

2 T Butter

3 T Cocoa

1 1/4 c Sugar

2 Eggs, beaten

3/4 c Flour

1/3 c Chopped pecans

1 t Vanilla

1/4 t Salt

1/4 t Baking powder

----------------------------------TOPPING---------------------------------- 3 T Butter

3/4 c Sugar

2 Eggs, beaten

1 Egg yolk, beaten

2/3 c Chopped pecans

3 T Flour

1 t Vanilla

Heat oven to 350 degrees. Grease and flour 9x9x2 inch pan. Melt butter in 2-quart saucepan; remove from heat. Mix in cocoa, sugar and eggs. Stir in remaining ingredients except topping. Spread in pan. Bake 23 minutes. Meanwhile, prepare topping: Melt butter in 1-quart saucepan; remove from heat. Mix in sugar, eggs and egg yolk.

Stir in remaining ingredients. Immediately pour topping over brownies; spread evenly. Bake about 18 minutes longer or until firm; cool. Cut into 2 1/4 x 1 1/2 inch bars.