1-1/2 cups, plus 2 tablespoons or 1-1/4 sticks butter
2-1/3 cups packed brown sugar
2-1/2 cups all-purpose flour
2 teaspoons baking powder
1/4 teaspoon salt
12 ounce package chocolate chips
1/2 cup walnuts
Preheat oven to 350 degrees. Grease 10x15-inch pan. Beat butter and sugar in bowl until creamy. Add 1 egg at a time, beating well after each egg. Stir in flour, baking powder and salt; blend well. Fold in chips and nuts. Turn in pan, spread evenly. Bake until top is lightly browned, about 20-25 minutes. Transfer to wire rack; let cool. Cut into bars. Congo bars will freeze.
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