Gather your fresh lemons, vodka, simple syrup, and other ingredients.

Using a citrus juicer, extract the lemon juice until you have one cup.

In a shaker, combine the lemon juice, vodka, and simple syrup.

Stir in the lemon zest.

Rim shot glasses with granulated sugar by wetting the edges with lemon juice.

Fill the shaker with ice and shake vigorously for about 15 seconds.

Using a strainer, pour the mixture into the prepared shot glasses.

Serve the shots immediately and enjoy.