Brazil nuts are large seeds from the Bertholletia excelsa tree, native to the Amazon rainforest in South America. They have a hard, woody shell and are known for their rich, creamy texture and unique flavor. These nuts are often enjoyed raw, roasted, or as an ingredient in various dishes. Rich in nutrients, Brazil nuts are an excellent source of selenium, a mineral important for various bodily functions, including immune response and thyroid health. They also contain healthy fats, protein, and other vitamins and minerals, making them a nutritious snack option.