In a blender, combine the fresh strawberries, basil leaves, and lemon juice.
Blend until smooth, then strain the mixture into a pitcher.
Stir in honey or simple syrup to sweeten the lemonade to your liking.
Fill a glass with ice cubes and pour the strawberry basil lemonade mixture until it's about two-thirds full.
Top it up with sparkling water or club soda.
Garnish with fresh basil sprigs and strawberry slices.
Sip and savour the delightful combination of strawberry, basil, and lemon flavours.