Step 1

Add the rum, strawberry simple syrup, lemon juice, and basil leaves in a cocktail shaker or mason jar filled with ice. Shake then pour into a glass.

Step 2

Top the glass with soda water and garnish with strawberries and basil.

Step 3

Combine the water, sugar, and strawberries in a pot and bring it to a boil

Step 4

Remove the pot from the heat, cover, and let it stand at room temperature until cool.

Step 5

Blend the strawberries and syrup together then strain through a fine-mesh sieve to remove the solids.