Ingredients
1⁄4 cup semisweet chocolate chips
1⁄2 cup chopped walnuts
1⁄2 teaspoon salt
1-1⁄2 teaspoons baking powder
2 cups all-purpose flour
1-1⁄2 teaspoons vanilla
2 eggs
2 cups brown sugar
1⁄2 cup plus 2 tablespoons butter or margarine
Step by step
Place butter, brown sugar, eggs, and vanilla in mixer bowl. Attach bowl and flat beater to mixer. Turn to Speed 4 and beat 1 minute. Stop and scrape bowl.
Add flour, baking powder, and salt. Turn to Speed 2 and beat 15 seconds. Stop and scrape bowl. Turn to Stir Speed and add nuts and chocolate chips, mixing just until combined.
Press dough into a 13x9 inch greased and floured pan. Bake at 350°F for 25 to 25 minutes. Cool in pan, then cut into 1-1⁄2-inch bars.