Thanks for asking this question. I just began using the food journal a couple days ago and was having the same difficulty. I'll use Sarah's advice too and will enter things as custom foods except on the very basic ones. You ladies are doing great...thanks for the tips and inspiration!
Start Weight: 208 (June 1, 2012)
Began FitDay: 202
Current Weight: 198
Goal Weight: 145
"What lies behind you, and what lies before you, are tiny matters compared to what lies within you."