Quest guide

There are 5 items needed to me collected
Locations
-crutch, in Jr's bedroom
-Plate shard, in Jesse's basement
-Walts underwear, Junk yard
-Gus' fingerprints, Los Pollos Hermanos
-Ricin, Heisnburgs house in the bedroom
Once collected take all the items to the lab and place them on the table next to the sink and the closest door shall open

HOW TO COOK METH
Lab meth
-simply interact with the console in the middle of the lab and wait 300 seconds
- collect the meth by interacting with the console to claim your free perk

Basement meth
-Go the the tables in Jesse's basement to start the cook 180 seconds
-Collect the meth at the table
-Take the meth to the car in the Junk yard to sell

Music EE

Shoot all 3 teddy bears around the map
Locations
-In the pool
-In Jesse's basement next to the mystery box
-In the lab in front of the meth fridges

Free perk EE

Shoot all 3 cigarette packs for a free perk
Locations
-Walts bedroom under the chair
-Jesse's Basement next to the tool box
-In the lab on top of the meth fridges

There are a few more small one part EEs but i'll leave you to find them yourself