01 - Set oven to 325°F (160°C) and line a baking sheet with parchment paper.
02 - In a mixing bowl, combine cooked rice, salt, and rice vinegar, stirring until evenly seasoned.
03 - Add toasted sesame oil, white sesame seeds, black sesame seeds, and shredded nori to the rice mixture. Stir thoroughly until all components are well distributed.
04 - Spoon heaping teaspoons of mixture onto the prepared sheet. Flatten each portion to approximately 1/8-inch thickness using a wet spoon or fingertips, shaping into uniform disks.
05 - Lightly brush or spray the tops of the disks with neutral oil.
06 - Place in the oven and bake for 25 to 35 minutes, turning halfway through, until crisps are golden and crunchy.
07 - Transfer crisps to a cooling rack and allow to cool completely before serving or storing in an airtight container.