Fruit is an important staple to have on your breakfast plate, and experts agree berries are the healthiest choice you can make in the morning. Berries are loaded with anthocyanins, Amy Brownstein, MS, RDN, a registered dietitian and consulting dietitian for MyNetDiary, told Health. Berries’ fiber content also sets them apart from other fruits. Or, mash fresh berries on top of almond butter toast, Lee Cotton, RDN, registered dietitian nutritionist based in North Carolina and Florida, told Health. Or, mash fresh berries on top of almond butter toast, Lee Cotton, RDN, registered dietitian nutritionist based in North Carolina and Florida, told Health.