1/3 cup butter, softened
3/4 cup sugar
1/3 cup light corn syrup
1 egg
3 (1 ounce) squares unsweetened chocolate, melted
1 teaspoon vanilla extract
1 2/3 cups all-purpose flour
1/2 teaspoon baking powder
1/4 teaspoon salt
1/2 cup chopped walnuts

In a large mixing bowl, cream butter and sugar until light and fluffy. Add corn syrup and egg; beat well. Stir in chocolate and vanilla. Combine the flour, baking powder and salt; add to chocolate mixture; beat well. Stir in walnuts.
Drop by tablespoonfuls 2 in. apart onto greased baking sheets. Bake at 350 degrees F for 10-12 minutes or until edges are firm. Remove to wire racks to cool.