Recipe for lemon square bars using blood oranges juice instead of lemon juice. Where to find blood oranges for these bars? A local farmers market will have the best selection.
For maximum heat, leave the seeds and membranes in the pepper; habanero will be much hotter than serrano. Ever touched your lips or eyes after chopping hot peppers? Avoid those burns by wearing gloves to prevent the pepper's heat from penetrating your skin.
