**Prepare the Cake**
Cut your chosen cake into bite-sized cubes. Set aside.
**Mix the Filling**
Prepare your pudding or custard according to package directions or use pre-made options.
**Assemble the Trifle**
- Start by layering cake cubes at the bottom of the dish.
- Add a layer of pudding or custard over the cake.
- Top with a layer of fruit.
- Repeat the layers until the dish is full, ending with a whipped topping layer.
**Garnish**
Sprinkle crushed cookies, nuts, or drizzle chocolate syrup on top for added texture and flavor.
**Chill**
Refrigerate for at least 2 hours before serving to allow the flavors to meld.