Prepare Glass (Optional): If desired, rim the cocktail glass with a lemon wedge and dip it in sugar.
Combine Ingredients: In a blender, combine the frozen strawberries, vodka (if using), lemon juice, simple syrup, and ice.
Blend: Blend until smooth and slushy. If the mixture is too thick, add a little water or lemon juice. If it's too thin, add a little more ice.
Pour: Pour the "Frozen Strawberry Lemon Drop" into the prepared glass.
Garnish: Garnish with a lemon wedge and a fresh strawberry, if desired.
Serve and Enjoy!