0 Add strawberry pieces, basil leaves, and lime juice to the bottom of a cocktail shaker. Use a muddler to smash the ingredients together.
1 Add tequila, triple sec, and strawberry syrup to the smashed strawberry mixture.
2 Add a handful of ice cubes and firmly place the lid on the cocktail shaker. Shake for 30 seconds to combine and chill the ingredients.
3 Strain the margarita into a glass using a mesh strainer.
4 Garnish with a fresh strawberry on the rim of the glass and a sprig of basil.