The document discusses building a healthier burger option by finding alternatives to the existing bun and cheese that have fewer calories, less fat, and fewer carbohydrates. Specifically, switching to an alternative bun that has 140 calories, 2g fat, and 27g carbohydrates instead of 260 calories, 5g fat, and 45g carbohydrates, and using an alternative cheese with 70 calories, 4g fat, and 1g carbohydrates rather than 125 calories, 9g fat, and 1g carbohydrates. These changes would result in a better burger with 410 calories, 19g fat, and 28g carbohydrates rather than the current best seller's 585 calories, 27g fat, and 46g carbo