Across your food groups and recipes you should strive to eat sufficient protein each day in order to preserve your muscle mass. The exact amount of protein will of course depend on your activity and lean body mass, your goals and your personal choices.
Most keto experts and nutritionists suggest that you should target 0.68 to 1g of protein for every pound of lean body mass (LBM).
If you are not certain about LBM then know that your lean body mass is defined as your body weight minus the fat you’re carrying.
For example if you presently weigh 185 pounds and are at 30% body fat, then your LBM is 130 pounds (185 – 30%.)