Start by blending crackers in a food processor until a sand like consistency. Drizzle in melted butter and process until combined.
Press crust tightly into an 8x8 baking dish. Bake at 375 for 7-10 minutes.
Remove from oven and lay herseys bars all over crust. They will melt quickly. Spread evenly with a spoon.
Sprinkle on marshmallows.
Broil for about 3-4 minutes. Watching CAREFULLY! Just until nice & browned.
Garnish with chocolate chips and extra crushed graham crackers.
Let set for about 1-2 hours. Cut into squares & enjoy!