Place them in a high speed blender or good food processor along with the rest of the sauce ingredients and blend until smooth. (swoonfood.com)
I don't quite know why a blender makes such a difference over even a really good food processor, but it does. (smittenkitchen.com)
I don't have a very good food processor or blender, so mine was a little chunky and nutty, but I actually liked the different textures so thank you! (nutritioninthekitch.com)