jam
a jar of jam
bag
a tea bag
tuna
a tin of tuna
eggs
a dozen of eggs
crisps
a packet of crisps
chocolate
a bar of chocolate
tea
a cup of tea
coca cola
a can of coca cola
sardines
a tin of sardines
tomato juice
a carton of tomato juice
eggs
a carton of eggs
orange juice
a carton of orange juice
bread
a loaf of bread
milk
a can of milk
bread
two slices of bread
mince
a pound of mince
milk
a bottle of milk
doughnuts
a box of doughnuts