Potato fans on a diet can substitute the starchy potato with cauliflower, a much healthier, low calorie alternative. Simmer the cauliflower in a tightly covered keto lifepot with chicken broth and chopped onion. When it's tender, puree it and add spices to your liking. You can enjoy a delicious and satisfying side dish without the carbohydrate overload.
The unpredictability of water retention is one reason why I only weigh myself once per week, on the same day, in the morning, naked. Weighing yourself multiple times per week, or worse, per day, will quickly kill your confidence and mess with your head.