<human>: What is the best way to: How do I neatly cut slices of a chocolate nutella tart?

OPTIONS:
- Cut your slices with a large sharp cheese slicer dipped in hot water and wiped dry.
- Cut your slices with a large sharp knife dipped in hot water and wiped dry.
<bot>: Cut your slices with a large sharp knife dipped in hot water and wiped dry.