A peanut butter sandwich is a simple and popular food item made by spreading peanut butter between two slices of bread. It can be made with various types of bread, such as white, whole wheat, or gluten-free. Many people enjoy adding jelly or honey to enhance the flavor, creating a classic combination known as a peanut butter and jelly sandwich. Peanut butter is a spread made from ground peanuts, which are legumes. It is rich in protein and healthy fats, making it a nutritious option for snacks or meals. Peanut butter sandwiches are commonly eaten by children and adults alike, often served with a glass of milk.