1/4 c  Butter, plus ...
2 tb Butter
3 tb Cocoa
1 1/4 c  Sugar
2    Eggs, beaten
3/4 c  Flour
1/3 c  Chopped pecans
1 ts Vanilla
1/4 ts Salt
1/4 ts Baking powder

-TOPPING –
3 tb Butter
3/4 c Sugar
2 Eggs, beaten
1 Egg yolk, beaten
2/3 c Chopped pecans
3 tb Flour
1 ts 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.