I'll forgo any individual recommendation and just tell you that whatever you order will be delicious. Three display cases with decadent pastries and baked goods plus a full breakfast and lunch menu will have you coming back to try out all the other items you weren't able to on your last visit.
Karen's is located in Folsom, right off the river and a few hundred feet up from the Sacramento bike trail. Pull off the trail to load up or drive in and plan some time to explore Historic Sutter Street.
The bakery is a warm and friendly place that attracts loads of locals and bicyclists, and you can't go wrong by starting your morning with anything they happen to be serving that day.