these are great girls keep em coming

i am thinking (for 20)

bread rolls - ??? 3 dozen
roast potatoes - i have no idea how many
snags - 3 dozen
steaks - 1 dozen
roast chicken (cold) - 3???
prawns - 5kg??

greek salad
potato salad 1 kg (buy these)
coleslaw 1kg (buy these)

pavlova
fruit cake
fruit platter
rum balls (with bundy mmmmm)

1 x carton xxxx gold
2 x bottles white
2 x red
2 x champers
4L x oj/apple
4 x 2L soft drink

what else?

will this b enuf do you think?