Preheat your oven to 350°F (175°C) and line a baking sheet with parchment paper.

In a medium bowl, whisk together the flour, baking soda, and salt.

In a large bowl, cream together the softened butter, granulated sugar, and light brown sugar.

Add the egg and vanilla extract to the creamed mixture and mix until combined.

Gradually stir the dry mixture into the wet mixture until no flour streaks remain, then fold in the chocolate chips.

Using a cookie scoop, portion out the dough onto the prepared baking sheet.

Bake for 9-11 minutes, until the edges are golden and the centers are soft.

Use a heart-shaped cookie cutter to cut the cookies into heart shapes while still warm.

Cool on the baking sheet for 5-7 minutes before transferring them to a wire rack.