Blond Brownies with Chocolate Chunks

1 (6 ounce) vanilla-flavored baking bar
1/3 cup butter or margarine
2 eggs, beaten
1/2 cup granulated sugar
1/4 teaspoon vanilla extract
1 1/2 cups all-purpose flour
1/2 teaspoon baking powder
1/4 teaspoon salt
2/3 cup chopped pecans
2/3 cup semisweet chocolate chunks

Combine baking bar and butter in a heavy saucepan; cook over low heat until melted. Set aside to cool slightly.

Combine eggs, sugar and vanilla extract in a large bowl, stirring until blended. Add butter mixture, mixing well.

Combine flour, baking powder and salt. Stir into butter mixture. Fold in pecans and chocolate chunks. Spoon into a greased 9-inch square pan. Bake at 350 degrees F for 25 minutes. Cool and cut into 1 1/2-inch squares.