Instructions

1. Gather all your ingredients: 3 tablespoons of unsalted butter, 1 package (10 oz) of marshmallows, 6 cups of Rice Krispies cereal, and 1/2 cup of red and pink sprinkles. Ensure you have a large mixing bowl and a 9x13 inch baking pan ready for use.
2. Begin by greasing the 9x13 inch baking pan lightly with butter or cooking spray. This will help prevent the Rice Krispie bars from sticking to the pan.
3. In a large saucepan, melt the 3 tablespoons of unsalted butter over low heat. Stir the butter occasionally to ensure it melts evenly without browning.
4. Once the butter is melted, add the entire package of marshmallows to the saucepan. Continue to stir the mixture over low heat until the marshmallows are completely melted and smooth. This should take about 3-5 minutes.
5. Remove the saucepan from heat. Immediately add the 6 cups of Rice Krispies cereal to the melted marshmallow mixture. Use a spatula or wooden spoon to gently fold the cereal into the marshmallow until evenly coated.
6. Once the Rice Krispies are well combined with the marshmallow mixture, add the 1/2 cup of red and pink sprinkles. Gently fold them in, being careful not to crush the cereal.
7. Transfer the mixture into the prepared baking pan. Use a spatula to evenly spread the mixture across the pan, pressing it down firmly to create an even layer. Be cautious not to press too hard, as this can make the bars too dense.
8. Allow the Rice Krispie mixture to cool at room temperature for about 10 minutes, or until it is set. You can speed up this process by placing the pan in the refrigerator for a few minutes.
9. Once cooled and set, cut the bars into squares or rectangles using a sharp knife. You can wipe the knife with a damp cloth between cuts to ensure clean edges.
10. Serve the Valentine Rice Krispie Bars on a platter, and enjoy! Store any leftovers in an airtight container at room temperature for up to a week.