In an old-fashioned glass, add strawberries, mint leaves, and black pepper*. Muddle until combined.
Add about 4 ice cubes to the glass and pour in vodka, and stir to combine. Add additional ice and top off with club soda. Stir as needed, and add mint, a strawberry, and additional black pepper to garnish.
Notes
You can strain the strawberry pieces out of the drink if desired; do so just before serving.Adjust black pepper according to your tastes, you may want to start with less and add more as needed.