Roasted cashews can be a convenient and delicious snack. Roasted cashews are healthy when eaten in moderation because they are cholesterol-free, and they can lower your cholesterol levels because of their dietary fiber and phytosterols, according to the Linus Pauling Institute Micronutrient Information Center. Each ounce of cashews provides 13 g total fats, including about 10 g unsaturated fats, which can lower your cholesterol levels when you eat them instead of saturated fats. Roasted cashews are also heart-healthy because of their potassium, which supports a healthy blood pressure -Alternative Protein-Heart Health-Weight Control-Considerations.