01 -
Preheat oven to 350°F. Line a baking sheet with parchment paper or a silicone baking mat.
02 -
In a large bowl, beat softened butter, light brown sugar, and granulated sugar until smooth and fluffy, about 2 to 3 minutes.
03 -
Add eggs one at a time, beating well after each addition, then mix in vanilla extract until fully combined.
04 -
Whisk together all-purpose flour, baking soda, and salt in a separate bowl.
05 -
Gradually add the dry mixture to the wet ingredients, mixing on low speed until just combined to avoid overmixing.
06 -
Gently fold in crushed Butterfinger bars, caramel bits, and chopped peanuts ensuring even distribution throughout the dough.
07 -
Using a tablespoon or cookie scoop, place dough portions onto the prepared baking sheet spaced about 2 inches apart. Sprinkle sea salt flakes over each portion.
08 -
Bake for 10 to 12 minutes until edges turn golden and centers remain soft.
09 -
Allow cookies to cool on the baking sheet for 5 minutes before transferring to a wire rack to cool completely.