O.O.
Discipline.
We did a list of house rules. (Use very simple language.)
Posted it in the kitchen.
Reviewed it 2-3 times per day.
Also posted consequences for breaking a house rule.
Tried to be as consistent as humanly possible in enforcing.
Btw, positive reinforcement is important right now, as independence grows. So make sure to "catch her" doing good stuff too. Lots of praise.
Good luck!