McDonald's menu customizations are the subject of much debate on social media. For example, did you know you can request this ...

Cajeta, arequipe, or manjar blanco Frappé? McDonald's has a brand-new frappé to love — and it's as sweet as they come. On Wednesday, McDonald's announced it's now serving a Dulce de Leche ...

McDonald's Frappe, for instance, packs a mean 630 calories in a medium 16-ounce cup. So much for watching your wallet and your waistline. Read next Jump to ...