Fresh, tart lemons are extremely aromatic because they’re high in essential oils. The juice and zest of lemons are used to flavor many sweet dishes from pies to cakes and cookies, as well as savory dishes, such as roast chicken and grilled fish. Make old-fashioned lemonade by combining cooled sugar syrup with freshly squeezed lemon juice. (Generally, 2 to 2-1/2 lemons will yield about 1/2 cup of juice.)