1
Stir some marshmallows in melted butter.
2
Remove from heat. Stir in the peppermint extract and the sea salt. Add the cereal and pretzels, then stir. Stir in the remaining marshmallows, white chocolate chips, and crushed candy canes.
3
Transfer the mixture to a prepared pan and press. Meanwhile, microwave the white chocolate chips.
4
Drizzle the white chocolate over the Rice Krispie Treats. Top with chopped pretzels, crushed candy cane, and flaky sea salt. Then, let it sit before slicing and serving.