From fresh seafood to luxurious pasta and heavenly desserts--using lemons and limes in your cooking will make your food sing. A squeeze of lemon juice can bring a dull sauce or lacklustre soup to life as its tartness cuts through and brings out flavor in a subtler (and healthier) way than salt. Smaller, sharper, but more intensely fragrant than lemons, limes work best with exotic, spicy food. Some dishes call for the sharp, clear lift...