Preheat the oven to 350°F (175°C).

In a large mixing bowl, beat together the softened butter, granulated sugar, and brown sugar until light and fluffy.

Mix in the eggs and vanilla extract until fully combined.

In another bowl, whisk together the flour, baking soda, salt, and Jello powder until evenly distributed.

Gradually add the dry mixture to the wet mixture, mixing until just combined.

Using a cookie scoop or tablespoon, drop dough onto a lined baking sheet, spacing them about 2 inches apart.

Bake in the preheated oven for 10-12 minutes or until the edges are lightly golden.

Remove from the oven and let them cool on the baking sheet for 5 minutes before transferring to a cooling rack.