But if you store them in the refrigerator overnight, you will find that the shortbread's texture softens and the lemon flavor has mellowed. In order for these Lemon Bars to have a nice citrus flavor, you need to use fresh lemons, not the imitation lemon juice that comes in a bottle. When choosing lemons make sure to look for ones that are fragrant with bright yellow skins.
They should be firm, plump, and heavy for their size. Try to avoid lemons that have blemishes, soft spots, green spots, or are quick and easy appetizers for wedding reception and wrinkled. Lemons consist of a yellow outer rind skin that contains the fruit's oils and perfumes.