Step 1

In a bowl, combine ground pork, ground pork fat, sugar, garlic, soy sauce, vinegar, salt, and pepper.

Step 2

Add cornstarch. Mix until well-distributed.

Step 3

On an individual sheet of plastic film or wax paper, spoon about a heaping tablespoon of pork mixture and form into a log. Roll and wrap tightly.

Step 4

Repeat until all the mixture is shaped and wrapped. Arrange sausages in a ziplock bag or airtight container and freeze.

Step 5

To cook, remove wax paper. In a wide pan over medium heat, arrange skinless longganisa in a single layer and add enough water to cover sausages halfway.

Step 6

Bring to a simmer, cover, and cook until most of the water is reduced and sausages are cooked through.

Step 7

Add the oil and cook, turning as needed, until longganisa are lightly browned and caramelized.

Step 8

Remove from pan and serve hot.