Prepare your workspace by gathering all ingredients and tools.
Melt butter and chocolate chips together in a saucepan over low heat.
Add mini marshmallows to the melted chocolate mixture and stir until melted.
Remove the saucepan from heat and stir in the vanilla extract.
Gently fold in the crispy rice cereal until evenly coated.
Press the mixture into a greased pan or lined baking dish.
Let the mixture cool at room temperature before cutting into squares.
Enjoy your Star Crunch treats and share with friends and family!
