Place steak in a large bowl. Mix all marinade ingredients in a small bowl then add and rub into steak. Let marinate for minimum 30 minutes or up to 24 hours.
Put crock pot on high and place steak in crock pot. Cook on high for 4 hours then turn to low for approx. 2-3 hours.
Once steak is cooked through and you are ready to enjoy. Shred with a fork. Steak will actually fall apart.
Prep your toppings + enjoy!