Step 1

Preheat oven to 350º Fahrenheit.

Step 2

Combine crushed Oreo cookies and melted butter in a bowl.

Step 3

Spread the combination on a parchment paper-lined baking sheet.

Step 4

Bake for 8-10 minutes.

Step 5

Break apart any large chunks. Set aside.

Step 6

Line an 8×3-inch round cake pan with plastic wrap.

Step 7

Be sure that the bottom and sides are covered.

Step 8

Allow chocolate ice cream to thaw for 20 minutes.

Step 9

Spoon chocolate ice cream into prepared pan and spread it evenly over the crust.

Step 10

Freeze for 30 minutes.

Step 11

In a medium mixing bowl, put chocolate chips, light corn syrup, and vanilla.

Step 12

In a small saucepan, heat heavy whipping cream until it begins to simmer.

Step 13

Pour hot heavy whipping cream over chocolate chips.

Step 14

Allow to sit for 3 minutes and then whisk together until smooth.

Step 15

Pour over chocolate ice cream layer.

Step 16

Freeze for 10 minutes.

Step 17

Sprinkle Oreo crumbs over top of fudge.

Step 18

Freeze for 2-3 hours or until firm.

Step 19

Allow vanilla ice cream to thaw for 20 minutes.

Step 20

Then spread in an even layer over top of Oreo crumbs.

Step 21

Freeze for 2 hours.

Step 22

Grabbing the ends of the plastic wrap, lift the cake out of the pan and place it on a serving plate.

Step 23

Put heavy whipping cream, powdered sugar, and vanilla in a medium mixing bowl.

Step 24

Beat on HIGH until it forms firm peaks.

Step 25

Frost the cake entirely and decorate with sprinkles.

Step 26

Freeze cake until ready to serve.