A pitcher of lemonade can serve a sweltering summer party, but a party of one deserves refreshment just as much as a crowd. As long as you have a single lemon, you can make a frosty glass of lemonade.

Back in 2020, right when TikTok was really taking off, a recipe for classic Limonada, or Brazilian lemonade, went viral. Armed with a Costco-sized bag of limes and an awful lot of time on my hands, I ...