Your meals don't really sound like 1500 calories unless it's comprised of a huge piece of chicken swimming in oil, veggies drowning in butter, and the biggest bowl of cereal we've ever seen.
What does a 1500 calorie day look like
is a really good link to think of a few ideas for your meals.
I am pretty petite, so my calories stay a little under 1000, but I choose certain types of foods in order to be satisfied. If I was hungry, I'd veer from my plan all the time. If you're interested, we have a volumetrics thread
with more details on how some of us cut our calories without hunger.