Step 1

Line an 8 x 8 pan with foil.

Step 2

Combine the chocolate chips and sweetened condensed milk in a pot over low heat. Stir constantly until completely melted and the mixture is smooth.

Step 3

Remove from the heat and add in the vanilla, peanut butter, and salt. Stir until completely combined.

Step 4

Press half of the mixture into the pan.

Step 5

Layer the butterfingers on top - you should be able to fit 18 bars.

Step 6

Pour the rest of the fudge on top and press down with a spatula.

Step 7

Crumble the last 2 butterfingers in a blender or food processor and place on top.

Step 8

Cover and place in the fridge until firm, or at least 2 hours.

Step 9

Remove and cut into squares.