THAI PEANUT SAUCE 

1 cup dry roasted peanuts, unsalted

2 cloves garlic, chopped

1 teaspoon soy sauce

2 teaspoons sesame oil

2 tablespoons brown sugar

2 tablespoons fish sauce

2 tablespoons lime juice, more to taste

¼ teaspoon cayenne

½ cup coconut milk

1. Pulse the peanuts briefly in a food processor just until finely ground. Add the garlic, soy sauce, sesame oil, brown sugar, fish sauce, lime juice, cayenne and coconut milk and process until well pureed.  Transfer to a bowl, then taste and adjust seasoning.  Thin a bit with lime juice or water as desired.

from David Tanis, the New York Times