01 -
Juice the lime and measure the tequila, passionfruit juice, raspberry syrup, and simple syrup if using.
02 -
Simmer 1/2 cup raspberries, 1/2 cup granulated sugar, and 1/2 cup water in a small saucepan until thickened. Strain through a fine mesh sieve and allow to cool before use.
03 -
Add tequila, passionfruit juice, raspberry syrup, lime juice, and egg white or aquafaba to a cocktail shaker.
04 -
Shake all ingredients vigorously without ice for 15 to 20 seconds to aerate and emulsify for a frothy texture.
05 -
Add ice cubes to the shaker and shake again for an additional 15 to 20 seconds to chill and dilute.
06 -
Double-strain the cocktail through a fine strainer into a chilled coupe or martini glass for a silky finish.
07 -
Top with fresh raspberries, a lime wedge, or a sprinkle of grated lime zest for visual appeal.