Step 1

Place the chilies into a food processor along with 2 tablespoons of water, and pulse chop them into a coarse paste.

Step 2

Add the chilies to a saucepan, then heat on medium for 3 to 5 minutes.

Step 3

Add the vinegar and salt and stir to combine.

Step 4

Continue heating for 10 minutes while stirring frequently.

Step 5

Remove from heat and allow the sambal oelek to cool to room temperature. Serve immediately or refrigerate overnight for best flavor.