Walnuts have a hard, woody shell that encases the edible seed. The seed itself is divided into two halves, commonly referred to as the walnut kernels. The kernels have a distinctive brain-like shape and are light brown in color.Walnuts have a rich, slightly bitter taste. The texture of the nut is smooth and creamy when raw, but it becomes crunchy when roasted. The skin on the walnut kernel is thin and adds a bit of bitterness to the flavor.

Walnuts are known for their nutritional value. They are a good source of healthy fats, including omega-3 fatty acids, as well as protein, fiber, vitamins, and minerals. They are also rich in antioxidants. Walnuts are versatile and can be enjoyed in various ways. They are often eaten raw as snacks or added to salads, cereals, or desserts. Crushed or chopped walnuts are frequently used in baking, adding a nutty flavor and texture to bread, cakes, and cookies.

Consuming walnuts has been associated with various health benefits, including heart health. The omega-3 fatty acids in walnuts are thought to have anti-inflammatory properties and may contribute to cardiovascular health. Walnuts are a popular ingredient in both sweet and savory dishes. They can be included in salads, pesto, pasta dishes, and as a topping for yogurt or oatmeal. In baking, walnuts are often folded into batter for cakes, muffins, and bread.