It should work if you just put the 24 oz in for the amount -- be sure and hit the save button. I find that if I add that food from my recent food selection the amount will stay the same.
Restarting Jan 11th, 2014
Starting weight: 201.6
Current weight: March 7th 183.2
March Goal: 179.6
Ultimate goal Undecided ? 150 to be assessed once maintained for a while
Height 5' 3"