Hazelnut butter is a rich, toasty, creamy spread that is so simple to make at home. All you need are nuts, salt, and a good food processor to make this silky nut butter at home! Homemade nut butters are so satisfying to make. If you’ve never tried them, they go from a crumbly mess to a dough-like paste to a smooth, buttery concoction right before your eyes.