Lemons and other citrus fruits are an inexpensive — and earth-friendly — way to clean microwaves, mirrors and more.

Lemony Greek chicken and spinach stew, broiled salmon with mustard and lemon, lemon-pepper tofu and lemon-almond butter cake are full of sour power.

Villa Divina supplies lemons to Pallini, a company established in 1875 in a small village near Rome that specializes in Italian liqueurs such as Sambuca and Mistrà. Pallini Limoncello production ...