Weekly caloric deficit of 2000-4000 calories(one day being above maintenance), but the weeks total must be a deficit obviously
you don't need more than 100-150g protein a day, but i would recommend eating 2-3 large portions rather than small meals, you will get more out of a 50g at one sitting than 25g at two sittings because the amino reaction to ps
keep fats high enough to keep hormones regular
fill in the rest with as many carbs as you can....on the high calorie day eat mostly high starchy carbs besides your protein
forget cardio, forget small meals every 6 hours, forget magazines and mainstream horseshit
you can eat 2-3 times a day and wont lose a fucking ounce of muscle as long as your calories arent too low and you are lifting with intensity to put demand on the muscle
this is all proven through research and taken from Brad Pilon, Scott Connely, Martin Berkhan, Lyle McDonald, Layne Norton, Alan Aragon, the people you should listen to