Preheat the oven to 350 degrees Fahrenheit.
Clean and dry the seeds, removing all pulp.
Toss them in olive oil, cayenne and salt.
Spread them on a sheet pan in a single layer.
Roast them in an oven for 15 to 20 minutes until they're crispy and golden.
For a savory version of the same snack, substitute salt for sugar and cayenne for cinnamon.