01 -
Combine pineapple chunks, rice vinegar, 120 millilitres water, granulated sugar, soy sauce, sambal oelek, and minced garlic in a blender. Process until smooth.
02 -
Transfer the blended mixture to a saucepan and bring to a boil over medium heat.
03 -
In a small bowl, dissolve cornstarch in 30 millilitres cool water to form a smooth slurry.
04 -
Once the sauce begins to boil, reduce heat to low. Stir in the cornstarch slurry, mixing continuously until sauce thickens, about 2 to 3 minutes.
05 -
Remove the pan from heat. Allow the sauce to cool before transferring to a sterilised jar or bottle. Refrigerate until serving.