Chocolate cookies are a popular baked treat made primarily from flour, sugar, butter, and cocoa powder. They often contain chocolate chips or chunks, which melt during baking, creating a rich, gooey texture. These cookies can be soft and chewy or crisp, depending on the recipe and baking time. Many people enjoy chocolate cookies as a dessert or snack, and they are commonly served with milk or coffee. Variations include adding nuts, oatmeal, or different types of chocolate, such as dark chocolate or white chocolate. They are a favorite among both children and adults, often found at bakeries and cookie shops.