Preparation Steps

• Melt butter in a large pot over low heat.
• Add marshmallows and stir constantly until they are fully melted.
• Stir in the dry cake mix and vanilla. Remove pan from heat.
• Stir in rice krispies cereal until they are completely coated in marshmallow mixture.
• Press into a baking pan that has been sprayed with nonstick spray. Don't press too hard, or your treats will be hard.
• Let the mixture cool.
• Spread on a layer of rainbow chip icing.
• Melt down white chocolate and spread over the icing.
• Top with sprinkles.