Your plan needs to be simple and reduce the mental capacity used up by thoughts about food.
Detailed calory tracking is counterproductive as the logging makes you think about food all the time.
Example low-mental capacity plan: Only eat one moderate meal per day (and one little other thing if you really get too hungry) for a set number of weeks, maybe 6. Don’t look at the scale more than once per week. Have one cheat day per week. Recover, then repeat.
Less difficult example: Fast for one or two days per week. Track calories with a method requiring low mental capacity all other days. (Noteworthy trivia: Obama fasted every Sunday.)
Use gamification like:
* AppleWatch with CaliCalo (you get exp for every calory saved) plus some simple fast way to enter calories into AppleHealth on your wrist
* Fitness games like RingFit Adventure, Fitness boxing (sports don’t help you loose weight substantially but do improve health)