Blend ripe or frozen mango chunks until smooth and creamy.

Optional salt or Tajin rim: Rub lime around rim of margarita glass and dip into plate of salt or Tajin.

In a shaker, combine the tequila, mango puree, lime juice, triple sec, and simple syrup with ice.

Shake well until the mixture is chilled.

Strain into the prepared glass.

Garnish with a lime wedge and mango slice (and little umbrella).