Keto No-Bake Oreo Icebox Cake with Dulce de Leche

Prep: 20 min1 cake (12 slices)mediumAmerican
No-Bake Oreo Icebox Cake with Dulce de Leche

A decadent no-bake dessert featuring layers of crushed Oreo crust, vanilla-infused whipped topping, and whole cookies that soften into cake-like texture. The dulce de leche drizzle adds rich caramel sweetness while chopped Oreos provide textural contrast. Perfect for summer entertaining or when you need an impressive make-ahead dessert without turning on the oven. The longer it chills, the more the cookies transform into tender, cake-like layers.

Ingredients

Yield: 1 cake (12 slices)
  • 2 14.3 ounce packages Oreos, divided
  • ½ cup salted butter, melted
  • 16 ounces Cool Whip, approximately 6 cups
    heavy cream whipped with powdered sugar1:1dairy-freeadds dairy

    fresher flavor

    Full guide →
  • 2 tablespoons vanilla bean paste
    vanilla extract1:2 ratiobasic

    less intense flavor

  • 1 cup dulce de leche spread
    caramel sauce1:1basic

    different flavor profile

Instructions

  1. 1

    Line springform pan with plastic wrap in criss-cross pattern and fit parchment paper in bottom

  2. 2

    Pulse Oreos in food processor until they form crumbs, add melted butter and process until paste forms

  3. 3

    Press crumb mixture evenly into bottom of prepared pan

  4. 4

    Fold together Cool Whip and vanilla bean paste in large bowl

  5. 5

    Spread one-third of Cool Whip mixture over crust and top with single layer of whole cookies

  6. 6

    Repeat layering two more times, ending with Cool Whip layer

  7. 7

    Cover loosely with plastic wrap and chill for minimum 6 hours or up to 2 days

  8. 8

    Coarsely chop remaining Oreos into large pieces

  9. 9

    Remove springform sides and transfer cake to serving platter using plastic wrap sling

  10. 10

    Pour dulce de leche over top and sprinkle with chopped Oreos

  11. 11

    Slice with serrated knife and serve immediately

Tips

Tip 1

Use plastic wrap as a sling for easy removal from springform pan without damaging the delicate layers.

Tip 2

Chill 6 hours for some texture or 24 hours for completely smooth, cake-like consistency as cookies soften.

Tip 3

Use a serrated knife for clean slices through the layered cookies and whipped topping.

Good to Know

Storage

Refrigerate covered for up to 3 days. Texture becomes increasingly soft over time.

Make Ahead

Make 1-2 days ahead for best texture. Assemble completely except final toppings.

Serve With

Slice with serrated knife for clean cuts. Serve chilled directly from refrigerator.

See pairing guide →

Common Mistakes

Watch

Press crust firmly to avoid crumbling when slicing.

Watch

Use plastic wrap sling to avoid breaking cake during removal.

Watch

Chill minimum time or layers won't set properly.

Substitutions

Dairy-Free Swaps

Cool Whip
heavy cream whipped with powdered sugar1:1dairy-freeadds dairy

fresher flavor

Full guide →

General Alternatives

vanilla bean paste
vanilla extract1:2 ratiobasic

less intense flavor

Full guide →
dulce de leche
caramel sauce1:1basic

different flavor profile

Find more substitutions →

FAQ

Can I make this without a springform pan?

Use a regular 9-inch round pan lined with plastic wrap extending over edges for easy removal. The plastic wrap acts as handles to lift the cake out.

How long does this cake keep in the refrigerator?

Store covered for up to 3 days. The cookies continue softening over time, creating an increasingly cake-like texture rather than distinct layers.

Can I freeze this icebox cake?

Yes, wrap well and freeze up to 1 month. Thaw in refrigerator overnight before serving. Texture may be slightly different after freezing.