Feeding toddlers in the car?

jcath

We are going to my ILs lake house for the day on Sunday.  It's way to hard to take the girls up overnight but it's only 90 minutes away and so we figure we'll have the car ready and as soon as the girls wake up we'll strap them in the car and go, stay all day and put them back in the car at bedtime.

So can I feed them breakfast while we're driving and what would you suggest?  The most they've ever had in the car is an occasional cracker and I'd love not to make a huge mess.