Line a 8" square baking pan with parchment paper or aluminum foil. Set aside.
Melt chocolate in a large heat-proof bowl in the microwave. Stir until smooth.
Pour half the chocolate onto the bottom of the prepared pan.
Smooth out. Set aside to set.
In the meantime, place candy corn in a large heat-proof bowl and melt in the microwave for 45 seconds. Check if it's melting and melt for another 20 to 30 seconds. Stir until smooth.
Add peanut butter to the melted candy corn. Stir until smooth. Warm up in the microwave if needed.
Pour the mixture (it will be thick) onto the set chocolate in the pan. Spread and smooth the top.
Pour the rest of the melted chocolate on top of the butterfinger filling.
Smooth the top.
Place the pan in the fridge to set, at least 1 hour.
Cut into squares or triangles or free-form pieces.
Store in the fridge,in an air-tight container for up to 5 days.
Notes
Recipe source: slightly adapted from the [Blue Eyed Bakers|https://www.blueeyedbakers.com/home/2012/11/6/homemade-butterfingers.html ]