Meyer lemons
Meyer lemons are not true lemons, but believed to be a cross between a lemon and a mandarin or orange. Compared to regular lemons, Meyer lemons are thinner- and smoother-skinned, rounder in shape, and have a deeper yellow-orange hue. Though not exactly sweet, Meyers are less acidic than regular lemons, and their zest and juice has herbal, even floral undertones that can add a wonderful nuance to any recipe calling for lemons (though if you're substituting them for regular lemons, your recipe may need less sugar than usual).Since they are more delicate, Meyer lemons are harder to ship and are rare at supermarkets, but during their season (winter to early spring), can often be found at specialty grocers.