We just got back from BLT and yes, I was able to get a cheese danish and use a snack credit. These items seem to be available all day in the case...muffins, danish (cheese and cherry) and maybe a chocolate croissant and some other breakfast type items (maybe a bagel, I can't remember).
You might also be able to use one as a dessert if you have a QS/CS meal there and save it for breakfast as well. They were very flexible as for dinner, we ordered an extra side of fries and they used a dessert option for it (or snack).
Have fun!