Creating your own Chocolate Trifle can be a fun adventure! Here’s how to put it all together:

1. Bake the Cake: Follow the instructions on your chocolate cake mix box or your favorite homemade chocolate cake recipe. Let the cake cool completely before assembling the trifle.
2. Prepare the Whipped Cream: In a mixing bowl, beat the heavy cream until it thickens slightly. Gradually add the powdered sugar and continue beating until stiff peaks form. Set aside.
3. Mix the Mousse: If using store-bought mousse, simply take it out. If you’re making it homemade, prepare your recipe as directed.
4. Crush the Cookies: Place the chocolate cookies in a plastic bag and crush them into small bits. You can also use a food processor for this step.
5. Cut the Cake: Once the cake is cool, cut it into even squares or crumbles. You want to ensure that each layer will be equal in size for beautiful assembly.
6. Begin Layering: In a large trifle dish or individual cups, start with a layer of chocolate cake at the bottom.
7. Add Mousse: Next, spoon a layer of chocolate mousse over the cake.
8. Add Whipped Cream: Follow with a layer of the prepared whipped cream, smoothing it over gently.
9. Add Cookie Crumbs: Sprinkle a layer of crushed cookies over the whipped cream.
10. Repeat Layers: Continue the layering process until all ingredients are used, finishing with whipped cream on top.
11. Garnish: Top it off with chocolate shavings, chocolate chips, and fresh berries, if using.
12. Chill: Cover gently with plastic wrap and refrigerate for at least 2 hours before serving.

These straightforward steps will yield an incredible Chocolate Trifle that is both satisfying and visually appealing.