01 -
In a large mixing bowl, combine melted butter, granulated sugar, and light brown sugar. Whisk until the mixture is smooth and fully combined.
02 -
Incorporate the egg and vanilla extract into the mixture, stirring until homogeneous.
03 -
Add all-purpose flour, salt, and baking soda. Mix on low speed just until the ingredients start to come together, then increase speed briefly and scrape the sides of the bowl to ensure the dough is well mixed without overworking.
04 -
With a spatula or large spoon, gently fold in chocolate chips and Halloween sprinkles, distributing them evenly throughout the dough.
05 -
Form dough into balls using approximately 2 tablespoons per portion and place onto a parchment-lined baking sheet. Cover with plastic and refrigerate for 1.5 to 2 hours, or up to 24 hours.
06 -
Preheat oven to 350°F (177°C).
07 -
Space chilled dough balls approximately 2 inches apart on a parchment or silicone mat-lined baking sheet.
08 -
Bake for 11 to 13 minutes until edges are set and lightly golden.
09 -
Remove cookies from oven and, if desired, press candy eyes onto warm cookies immediately. Allow to cool before serving.