1 In A Food Processor Or Blender, Add The Cashews, Cilantro, Oil, Garlic, Soy Sauce, Brown Sugar, Jalapeno, Lime Juice, And 2 Tablespoons Of Water. Pulse Or Blend Until The Mixture Is A Smooth Paste. Add Salt And Pepper To Taste. Reserve A Third Of The Marinade For Serving With The Chicken. Use The Rest For Coating The Chicken. 2 Sprinkle The Chicken Thighs All Over With Salt And Pepper. Coat The Chicken Pieces With The Marinade. At This Point If You Want, You Can Make Ahead, And Chill For Several Hours Or Overnight Until Ready To Cook. Bring To Room Temperature Before Cooking. 3 Preheat Broiler Or Prepare Grill For Medium Direct Heat. Broil Or Grill Chicken, Turning Frequently, Until Golden And Crisp And A Meat Thermometer Reads 170