Wondering what to do with sour oranges, also known as Seville oranges? Try this delicious, low-sugar recipe for sour orange margaritas! The sour orange juice shines with tequila and triple sec, and the smokey salt rim is an addictive complement. Top your sour orange margarita with a flamed orange twist for a truly decadent craft cocktail. This updated classic is going to be your new favorite!