You have to watch what you eat and minimize the number of cheat days at all costs to ensure that you don’t get kicked out of ketosis. It will last a couple days longer if you don’t add the basil. But it’s worth noting that "low-carb" in these studies can be up to 40% carbs by calories, which is medium-high carb by Paleo standards (room for a couple of potatoes every day). There are a couple of tuna casseroles in this list because it is a tried and true path to full and happy diners. High protein, full of healthy fats, and great to take along to a potluck as well. Keto proportions are as follows: about 70-75% of your daily caloric intake hails from healthy fats, 20-25% from proteins and a mere 5-10% from carbohydrates. Salting food to taste and including potassium-rich, keto-friendly foods like green leafy vegetables and avocados are an excellent way to ensure you are maintaining a healthy balance of electrolytes.