Hi have you been able to ask your setting about a food policy, behavioural policy and checked to see what the staff's code of conduct says about these times of the day?
This is from
the unit Be able to support the code of conduct and policies for meal and snack times
The setting’s code of conduct and policies for meal and snack times: appropriate expectations of children and young people at meal times; understanding of meal and snack-related policies; understanding the role of the practitioner in supporting children and young people during mealtimes.
Supporting and encouraging children and young people’s positive behaviour in the dining area : eg modelling positive behaviour, set clear expectations, praise for good behaviour, positive reinforcement, involve the children or young people in creating rules for meal and snack time, eat with the children and young people at mealtimes, encourage positive interactions at meal times between children and young people
Page 229+ of the level 2 STL handbook is good reading - search inside for the words 'code of conduct'
You'll be looking to include information about handwashing, queuing and if there is a class rotation for collecting food, finding a seat, disposing of food, behaviour and noise levels, how staff supervise and assist children, and why your setting lays out its dining room/snack areas in that particular way.
Best wishes xx