I know what it's like to loose a recipe that you love. I think this may be the one you're looking for. Enjoy!
Chocolate Syrup Brownies
1 egg
1 cup packed light brown sugar
3/4 cup Hershey's Syrup
1 1/2 cups all-purpose flour
1/4 teaspoon baking soda
Dash salt
1/2 cup (1 stick) butter (do not use margarine), melted
3/4 cup chopped pecans or walnuts
Heat oven to 350F. Grease 9" square baking pan. In small mixing bowl, beat egg lightly. Add brown sugar and syrup; beat until well blended. Stir together flour, baking soda and salt; gradually add to egg mixture, beating until blended. Stir in butter and nuts. Spread batter into prepared pan. Bake 35-40 minutes or until brownies begin to pull away from sides of pan. Cool completely in pan on wire rack. Cut into squares.