Questions on what I should take

[mj26]

i can:
squat 315 x 15
bench 275 x 1
clean 225 x 6
dead 495 x 5
but i still cannot gain any mass... im 5'11, and dont look like I can lift this wieght , i would just like to fill out a bit.

[Big]

i can:
squat 315 x 15
bench 275 x 1
clean 225 x 6
dead 495 x 5
but i still cannot gain any mass... im 5'11, and dont look like I can lift this wieght , i would just like to fill out a bit.

What is your diet in detail?