Ingredients
- 16 chocolate sandwich cookies (such as Oreos), plus more for garnish – These cookies provide the rich chocolate flavor and slight crunch that make this dessert so delicious. If you prefer a different type of cookie, you can experiment with chocolate graham crackers or vanilla sandwich cookies.
- 3 cups heavy whipping cream – This is the key ingredient that gives the mousse its light and fluffy texture. If you want a dairy-free alternative, you can use coconut cream, but keep in mind that it will slightly alter the flavor.
- 1 cup powdered sugar – This adds sweetness and helps stabilize the whipped cream. You can reduce the amount if you prefer a less sweet dessert or substitute with a sugar alternative like monk fruit sweetener or powdered erythritol.
Instructions
1. Prepare the Cookies
Start by separating the cream filling from the chocolate sandwich cookies. Place the cookie wafers in a plastic bag and crush them using a rolling pin or process them in a food processor until they form fine crumbs. Set aside a small portion of these crumbs to use as a topping later.
2. Heat the Cream Filling
Transfer the cream filling to a microwave-safe bowl and heat it in the microwave for about 2 minutes, stirring occasionally until it is fully melted. This step helps incorporate the filling more smoothly into the mousse.
3. Whip the Heavy Cream
Using a hand mixer or a stand mixer, beat the heavy whipping cream until it begins to thicken and form soft peaks. This usually takes about 2-3 minutes on medium speed. Soft peaks are when the cream holds its shape but still has a slight droop at the tip when the beaters are lifted.
4. Add the Sweetness
Slowly add the powdered sugar to the whipped cream while continuing to beat on low speed. Then, pour in the melted cookie filling and mix until fully combined. Increase the speed and beat until stiff peaks form. Stiff peaks mean the cream stands up straight without falling over when the beaters are lifted.
5. Fold in the Cookie Crumbs
Gently fold in most of the crushed cookies using a spatula. Be careful not to overmix, as this can deflate the whipped cream and make the mousse less airy. The goal is to distribute the cookie crumbs evenly while keeping the texture light and fluffy.
6. Pipe or Spoon into Serving Dishes
Transfer the mousse into a piping bag or a plastic bag with a piping tip. If you do not have a piping bag, you can simply spoon the mixture into serving glasses or bowls.
7. Add the Final Touches
Sprinkle the reserved crushed cookies on top for a decorative finish. For an elegant presentation, you can place a whole cookie on top of each serving.
8. Chill and Serve
You can serve the mousse immediately, but chilling it in the refrigerator for at least 30 minutes will enhance the texture and allow the flavors to meld together.
Notes
How to Tell If You Have Stiff Peaks
If you are unsure whether your whipped cream has reached stiff peaks, try this simple test: Lift the beaters out of the cream and check if the peaks remain upright without collapsing. If they fall over, continue whipping for a few more seconds.
What to Do If the Mousse Becomes Too Runny
If your mousse is not holding its shape, it may be due to overmixing or underwhipping the cream. To fix this, place the mixture in the refrigerator for 10-15 minutes and then beat it again for a few seconds to help stabilize it.
Avoid Overmixing
When folding in the cookie crumbs, use slow, gentle motions to prevent deflating the whipped cream. Overmixing can result in a denser texture instead of a light and fluffy mousse.
Make-Ahead Tips
This dessert can be prepared a day in advance and stored in the refrigerator. If you want to serve it later, keep it in an airtight container to prevent it from absorbing other flavors from the fridge.
- Prep Time: 5 minutes
- Cook Time: 2 minutes