Butter the cake pan of your choice, then press wax paper over
the bottom of the pan.
If using Dairy Queen ice cream, spread it in the bottom of the
pan. If you are using any other ice cream, allow it to soften,
then spread on the bottom of pan until the pan is almost half
full. Sprinkle with crushed Oreo cookies, then spoon hot fudge
sauce (at room temperature) over the top of this. Set in freezer
Remove from freezer and add second layer of ice cream. Smooth
it evenly with the top of the cake pan. Return to the freezer
and freeze until very hard.
Remove from freezer and frost with a mixture of equal parts
ice cream and thawed frozen whipped topping beaten together.
Return to freezer until serving time.