Losing position pulled back to a draw; where were my positional mistakes?

Sort:
Avatar of Post_Insanity

My primary question is how to proceed after 11...Be7. After that, comments on the rest of the game are welcome. Any advice for a tenderfoot against the Sicilian from you more decorated players?
Avatar of weirdplayer

13) Bxf6 any takeback

14) h3

wins knight?