Preheat oven to 325 degrees.

Grease a sheet pan.

In a large bowl, combine sugar and melted butter; beat with electric mixer.

Add eggs, one at a time, and vanilla; mix well.

Combine flour and baking powder in a separate bowl. Add to the sugar mixture; mix well.

Stir in nuts and chocolate chips.

Pour batter into prepared pan.

Bake 40+ minutes until a toothpick inserted in the center comes out clean.

Serve warm, or reheat individual servings in the microwave.

Top with ice cream and caramel sauce.