Step 1.
- Peel and dice the ripe mango.
Step 2.
- In a blender, combine the diced mango, lime juice, rum, and simple syrup.
Step 3.
- Blend until smooth and frothy.
Step 4.
- Fill a cocktail shaker with ice and pour the mango mixture in.
Step 5.
- Shake well to chill the cocktail.
Step 6.
- Strain into a chilled cocktail glass.
Step 7.
- Garnish with a lime wheel and a slice of mango.