The u003ca href=u0022https://www.ditchthecarbs.com/low-carb-keto-beef-sides/u0022u003ebest side dishes for beefu003c/au003e have to be fresh lettuce, avocado, lime wedges, cheese, sour cream, and of course, avocado. With so much flavour, you can see why this fajitas recipe is a popular family dinner.