Jack-O'-Crispies

Ingredients

• 3 tablespoons butter
• 6 cups miniature marshmallows
• 1 teaspoon vanilla extract
• 6 drops orange food coloring, or as needed
• 4 cups crispy rice cereal (such as Rice Krispies(R)), or more to taste
• 6 pieces green licorice string, or as needed
• 1 (.75 ounce) package green fruit roll-up (such as General Mills(R) Fruit Roll-Ups)
• 1 (.75 ounce) tube black decorating gel