The Jamie Smith keto diet is a low-carb, high-fat diet that promotes the body entering ketosis to burn fat for energy, primarily consuming 5-10% carbohydrates and 70-75% fats. It can aid in weight loss and manage certain health issues but may pose risks like nutrient deficiencies and heart disease, necessitating medical supervision. The document also includes recipes for keto meals such as avocado toast, caesar salad, zucchini noodle bolognese, fat bombs, and chocolate mousse.