4 oz. crumbled feta cheese or shaved Parmesan cheese
1 crisp apple, such as Pink Lady or Honeycrisp, cored, cut into matchsticks
6 radishes, halved, thinly sliced (optional)
Dressing can be prepared 3 days ahead; cover and chill. . Kale and Brussels sprouts can be sliced 1 day ahead; place in an airtight container and chill. Salad can be tossed together 30 minutes ahead; keep at room temperature.