To further enhance the bars' molasses notes, you can substitute up to 1/4 cup of the light corn syrup for dark corn syrup or cane syrup. The flavor profile will be less traditional, but absolutely delicious. Make-Ahead and Storage
Stored in an airtight container, uncut scotcheroos can be kept for up to 7 days at room temperature. To keep bars soft, tightly wrap any cut bars individually in plastic wrap.
I wouldn't bother with a meringue and can't really see how you could pull it off.
So I used my BlendTec blender to puree the lemons with the juice and a Chinois to strain it. What a joy! Keep that lemon juice separate from the eggs and sweetened condensed milk until you're ready to pour it onto the baked crust or it will be too thick. Chemistry, y'all.