In a shaker, muddle the diced prickly pear with the mint leaves. (Muddling means gently pressing the ingredients with a bar spoon or muddler to release their flavors.)
If you don't have a bar spoon or muddler, you can use the back of a spoon to muddle the ingredients.
2
Add the tequila, lime juice, and grenadine syrup to the shaker.
You can adjust the amount of grenadine syrup to your taste preference.or a more intense prickly pear flavor, you can use prickly pear puree instead of diced prickly pear. To make the puree, simply blend the prickly pear flesh until smooth.
3
Fill the shaker with ice and shake vigorously for 15 seconds.
4
Strain the cocktail into a tall glass filled with fresh ice.
5
Top with soda water and garnish with a star fruit slice.