01 -
Preheat oven to 350°F. Line a baking sheet with parchment paper or a silicone mat.
02 -
In a large bowl, beat softened butter, 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 combined.
04 -
Whisk flour, baking soda, and salt in a separate bowl. Gradually add dry mixture to wet ingredients, mixing on low speed until just combined.
05 -
Gently fold in crushed Butterfinger bars, caramel bits, and chopped peanuts, ensuring even distribution throughout the dough.
06 -
Using a tablespoon or cookie scoop, place dough portions onto baking sheet, spacing them about 2 inches apart.
07 -
Sprinkle sea salt flakes over each dough ball. Bake for 10 to 12 minutes until edges are golden and centers are soft. Let cool on baking sheet for 5 minutes before transferring to a wire rack.