Chocolate lovers, this light and creamy hot chocolate icebox cake is an easy, no-bake dessert that turns a cup of hot cocoa into a sliceable treat. It takes about 20 minutes to prepare and is ideal for making ahead. Layers of softened chocolate graham crackers or wafers are sandwiched between rich, chocolatey cream layers, with marshmallow creme added for an authentic hot cocoa flavor.
No-bake desserts are a favorite for busy days, and this hot cocoa icebox cake has quickly become a family favorite.
Why We Love This Hot Chocolate Icebox Cake
At the end of cold-weather months I often find a partially used box of hot chocolate mix. To avoid waste, I turned it into this dessert — and it’s a hit. The combination of marshmallow creme, cream cheese, and whipped cream creates a fluffy, chocolate-forward filling that pairs perfectly with chocolate graham crackers.
This hot chocolate icebox cake:
- is quick and simple to prepare
- uses fewer than 10 ingredients
- requires no baking
- is a chocolate lover’s dream
You’ll want to make this again and again.
Ingredient Notes
- Hot cocoa mix: Using hot cocoa packets instead of plain cocoa powder gives the cream layer a richer, sweeter chocolate flavor—use your favorite mix.
- Powdered sugar: The cornstarch in powdered sugar helps the filling set so slices hold their shape after chilling.
- Full-fat dairy: Use full-fat heavy whipping cream for best texture. Regular cream cheese is recommended; reduced-fat may be usable, but fat-free is not advised.
Ways To Vary This Recipe
- Add mint: Use a mint hot cocoa mix or add 1/2 teaspoon peppermint extract for a mint-chocolate version. Top with crushed peppermint candies if desired.
- Change the cookie layer: Swap chocolate graham crackers for thin chocolate wafers, chocolate cookies, or other thin biscuits—thin Oreos could be delicious.
- Add a drizzle: Finish with caramel, hot fudge, or your favorite sauce between layers or on top for extra sweetness.
Step-By-Step Instructions
Step 1: Using a stand mixer with a whisk attachment or an electric hand mixer, beat the cold heavy cream until stiff peaks form. Transfer the whipped cream to a separate bowl and set aside.
Step 2: In a large bowl, beat softened cream cheese with vanilla extract and powdered sugar until smooth. Add the marshmallow creme and beat until incorporated.
Step 3: Add the hot cocoa mix and beat until completely smooth.
Step 4: Mix in about 2–3 cups of the whipped cream and beat on low to combine.
Step 5: Beat at low speed just until incorporated.
Step 6: Gently fold in the remaining whipped cream until no white streaks remain, taking care not to deflate the mixture.
Step 7: Assemble the cake: Spread a very thin layer (about 3–4 tablespoons) of the chocolate cream on the bottom of a 9×13-inch pan.
Step 8: Add a single layer of chocolate graham crackers to cover the bottom, breaking pieces as needed (about 7–8 sheets, depending on pan size).
Step 9: Spread about 2 1/2 cups of the chocolate cream evenly over the crackers.
Step 10: Add another layer of graham crackers, then spread another ~2 1/2 cups of the chocolate cream. Repeat with a final cracker layer and the remaining cream.
Step 11: Chill the assembled cake for at least 4–5 hours, or until the graham crackers have softened. For best texture, chill 12 hours or overnight so the layers become cake-like without turning soggy. Before serving, garnish with chocolate sprinkles and miniature marshmallows as desired.
Recipe Tips
For cleaner slices, freeze the cake for 20–30 minutes before cutting. Run a sharp knife under hot water, dry it, and slice, wiping the blade between cuts. A thin metal spatula helps lift neat slices from the pan.
Timing: While the cake is ready after 4–6 hours, chilling about 12 hours gives the best, cake-like texture.
Storage
Store the icebox cake refrigerated in an airtight container for 3–4 days. It remains best in texture during the first two days; by day five it may soften further. To freeze, seal in a freezer-safe container for up to three months. Thaw overnight in the refrigerator before serving.
HUNGRY FOR MORE? Subscribe to the newsletter and follow the author on social channels for the latest recipes.
Hot Chocolate Icebox Cake
Ingredients
- 1, 14.4 oz box chocolate graham crackers
- 3 ½ cups cold heavy cream
- 1 cup marshmallow creme
- 8 oz block cream cheese, softened
- 1 ½ tsp vanilla
- ¼ cup powdered sugar
- 3-4 packets hot cocoa mix (¾–1 cup)
- Chocolate sprinkles and mini marshmallows to garnish
Instructions
-
Prepare the hot cocoa cream mixture: Whip the heavy cream to stiff peaks and set aside.
-
Beat cream cheese with vanilla and powdered sugar until smooth. Add marshmallow creme and mix. Stir in hot cocoa mix until smooth. Fold in about 2–3 cups of whipped cream and mix on low.
-
Gently fold in the remaining whipped cream until uniform and without white streaks.
-
Assemble the icebox cake: Spread a thin layer of chocolate cream on the bottom of a 9×13-inch pan (3–4 Tbsp). Add a single layer of graham crackers to cover the pan.
-
Spread ~2 ½ cups of the chocolate cream over the crackers. Add another cracker layer and another ~2 ½ cups of cream. Finish with a final cracker layer and the remaining cream.
-
Chill at least 4–5 hours, preferably 12 hours, until the graham crackers soften and the cake is easy to slice. Garnish before serving.
-
For easier slicing, freeze 20–30 minutes before cutting. Run a sharp knife under hot water, dry it, and slice, wiping between cuts. Store leftovers in the fridge for 3–4 days.
Notes
Nutrition
Nutrition information is automatically calculated and should be used as an approximation.
Did you enjoy this recipe? Have a question?Leave a comment below!