Preheat your oven to 375°F (190°C). Line a baking sheet with parchment paper.
In a medium bowl, whisk together the flour, baking soda, and salt. Set aside.
In a large mixing bowl, cream together the softened butter, granulated sugar, brown sugar, and vanilla extract until light and fluffy.
Add the eggs one at a time, mixing well after each addition.
Gradually add the dry ingredients to the wet ingredients, mixing until just combined.
Fold in the chocolate chips and Halloween-themed candy until evenly distributed.
Drop rounded tablespoons of dough onto the prepared baking sheet, spacing them about 2 inches apart.
Bake for 9-11 minutes, or until the edges are golden brown. The centers may look slightly underbaked; they will firm up as they cool.
Allow the cookies to cool on the baking sheet for 5 minutes before transferring them to a wire rack to cool completely.