A staple food is a type of food that forms an essential part of one's diet, and it is typically consumed on a regular basis. It is usually inexpensive, readily available, and provides important nutrients necessary for maintaining good health. Examples of staple foods vary from culture to culture but may include grains such as rice or wheat, legumes like beans or lentils, tubers like potatoes, vegetables like cassava or yams, and animal products like meat or dairy. Staple foods provide the foundation of a balanced diet and are an important part of meeting nutritional needs for individuals and communities around the world.