Making cashew butter is easy: Ingredients: You'll need raw cashews, a pinch of salt, and a sweetener (optional). Roast Cashews: Roast cashews in an oven at 350°F (175°C) for about 10-15 minutes. Blend: Once cooled, blend cashews in a food processor until smooth. Blend Again: Blend until desired consistency is achieved. To know more about how to make cashew butter.