In a large saucepan add butter and marshmallows, constantly stir over medium-high heat until marshmallows are completely melted
Once butter and marshmallows are completely combined and melted remove from heat and stir in the 1 cup of marshmallow cream until well combined. Then gently stir in the 8 cups of Rice Krispie cereal until all the cereal is well coated.
Add in 5 tablespoons of sprinkles by sprinkling them evenly over mixture, stir a few times, and then press the Rice Krispies into a 9x13 pan. Top with the leftover 1 tablespoon of sprinkles, by evenly scattering them over the treats. Cut and serve immediately, or let it sit and serve later.
A fun way to serve these yummy treats is using a heart-shaped cookie cutter. You can even make homemade arrows, if you wish, out of skewers and tape (liked pictured). My kids liked the traditional squares.
* Store in an air-tight container, either at room temperature or in the refrigerator, for up to 5 days.