How many snacks do you give your toddler? I haven't given Baby Y any up until this point, but now that we're down to nursing just twice (wake-up and bedtime), I'm thinking I may need to add one? But where?

Our general schedule looks something like this: wake/nurse 7, breakfast 8:30, nap 10-11, lunch noon, nap 2:30-4, dinner 5:30 or 6, bedtime 7:45. The only time that looks remotely plausible is right before or after the afternoon nap.