In a large pan, combine corn syrup and butter.

Bring to a boil over medium heat.

Remove the pan from the heat.

Add chocolate chips to the pan.

Stir until the chocolate is completely melted and smooth.

Stir in sugar, eggs, and vanilla extract.

Thoroughly blend in the flour and chopped nuts.

Grease and flour a 9-inch cake pan to prevent sticking.

Pour the cake mixture into the prepared pan.

Bake in a preheated oven at 350°F (175°C) for 30 minutes.

Remove the cake from the oven.

Cool completely on a wire rack.

Pour glaze over the cooled cake.

Let the cake stand for 1 hour to allow the glaze to set.

Garnish with additional pecans or walnuts before serving.