In a large bowl, melt butter in the microwave for 30 seconds.
Add large marshmallows to butter bowl and microwave for 3 minutes.
Stir well and slowly add Cocoa Krispies.
When all combined, toss in 1-2 cups mini marshmallows and then pour into a greased 9×13 pan.
Chocolate Rice Krispie Treats are a tasty twist on a beloved classic. Ready in 10 minutes, this dessert is perfect for any occasion!