Khmer people love coconut. We use this coconut sauce with many Khmer recipes.

INGREDIENTS:
2 Cups fresh coconut milk or 1 large canned coconut milk
½ Tablespoon sugar
1 Tablespoon cornstarch
¼ Teaspoon salt

INSTRUCTIONS:
In a small sauce-pan, mix all ingredients together and simmering till sauce thicken.

From: http://www.khmerkromrecipes.com/