I took a few pictures of the hot breakfast when I visited the SL in September. They aren't very clear but maybe they will help a little bit. Perhaps the prices have changed a little since then, but at least it gives some indication.
<a href="http://s1058.beta.photobucket.com/user/charlotea/media/SAM_2846_zps6cddc358.jpg.html" target="_blank"><img src="http://i1058.photobucket.com/albums/t405/charlotea/SAM_2846_zps6cddc358.jpg" border="0" alt=" photo SAM_2846_zps6cddc358.jpg"/></a>
American breakfast, 4.50 euros
<a href="http://s1058.beta.photobucket.com/user/charlotea/media/SAM_2847_zps744feb9b.jpg.html" target="_blank"><img src="http://i1058.photobucket.com/albums/t405/charlotea/SAM_2847_zps744feb9b.jpg" border="0" alt=" photo SAM_2847_zps744feb9b.jpg"/></a>
Sausages and bacon, 3.90 euros (I think)
<a href="http://s1058.beta.photobucket.com/user/charlotea/media/UnsavedPreviewDocument_zpse6fb662b.jpeg.html" target="_blank"><img src="http://i1058.photobucket.com/albums/t405/charlotea/UnsavedPreviewDocument_zpse6fb662b.jpeg" border="0" alt=" photo UnsavedPreviewDocument_zpse6fb662b.jpeg"/></a>
Scrambled eggs, 3.50 euros