Preheat your oven to 350°F (175°C). Gather and measure all ingredients.

In a large mixing bowl, combine peanut butter, sugar, egg, vanilla, baking soda, and salt. Mix until smooth.

Scoop dough into balls, roll in sugar, and place on a baking sheet spaced 2 inches apart.

Bake for 10-12 minutes until edges are golden. Remove from oven.

Press a chocolate kiss into the center of each cookie while warm. Cool for 5 minutes before transferring to a wire rack.