Peel and grate potatoes, transferring to water, then transfer to a towel and wring the potatoes dry.
To a pan, drizzle in oil on medium-high heat, and toss in the potato shreds, add salt, and stir fry them for around 10 mins until they’re tender.
Transfer cooled potatoes into a 6.5 by 4.5 inch container lined with plastic wrap, pressing the potatoes down firmly into the container. Freeze for 3 hours.
Remove potatoes from container and divide it into 24 pieces.
Coat each potato cube in cornstarch, brushing off the excess.
To a pot, heat vegetable oil on medium heat until it reaches 355°F (180°c). Drop the cubes in for 5 minutes or until crispy golden brown.
Transfer to wire rack to cool and serve with a dipping sauce of your choice.