Grease 9x13 baking pan. Tip: cut a piece of parchment paper to fit inside the bottom of the pan then grease the parchment paper.
Melt 3 tablespoons of butter in the microwave for 45 seconds.
Stir in 1 (10-ounce) bag of miniature marshmallows; evenly coat with melted butter. Heat in microwave for 1 ½ minutes or until marshmallows are melted.
Add green food coloring to melted marshmallows until you get desired shade of green.
Mix 5 cups of Kellogg’s® Rice Krispies® cereal with your melted marshmallows; stir quickly. Press mixture into your prepared pan; let is set for at least 30 minutes.
Remove from pan and cut into squares.
Melt your chocolate wafers according to package directions. Dip the top of each square into your chocolate to create Frankenstein’s hair.
Add edible eyes using leftover chocolate. Add a mouth with piping frosting or the melted chocolate placed inside a piping bag. Let chocolate set before eating.