This Birthday Rice Krispie Treats recipe is the best! Funfetti rice krispie treats with sprinkles and delicious cake batter flavor! If you're looking for rice krispie treat cake ideas for a birthday party, or you just love cake batter and funfetti, you're in the right place!
Heat treat cake mix: Add cake mix to a small microwave-safe bowl. Heat on high for 30 seconds, stir, and measure the temperature with a food thermometer.
½ cup white or funfetti cake mix
If it hasn't reached 165 degrees Fahrenheit, heat it for another 30 seconds, repeating the process until the temperature reads 165 degrees. Set aside.
In a large bowl, melt butter in microwave in 30-second increments.
6 tablespoon salted butter
Add most of the marshmallows, reserving about ⅔ cup to add in later, followed by heat-treated cake mix.
10 oz mini marshmallows
Return bowl to microwave for another 30 seconds. Remove and stir to finish melting the marshmallows. Stir in vanilla.
½ teaspoon pure vanilla extract
Immediately add cereal and sprinkles and stir to coat cereal completely with m marshmallow mixture.
5 cups crispy rice cereal, ⅓ cup rainbow sprinkles
Press mixture gently into a greased 8x8 baking pan (or 8-inch round pan). Let sit, uncovered, a room temperature to cool completely.
Spread frosting (if using) over top of cooled treats and top with more sprinkles. Store at room temperature in an airtight container until ready to serve.
⅔ cup storebought frosting
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