Instructions
Step 1: Bake the Cake Layers
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Prepare the angel food cake according to package instructions. Bake in a 9×13-inch pan and let cool completely.
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Repeat with the devil’s food cake—also in a 9×13-inch pan.
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Once both are cool, level the tops if needed to create even layers.
Tip: For easier assembly, chill the cakes for 30–60 minutes before layering.
Step 2: Make the Peanut Butter Mousse
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In a large bowl, beat peanut butter, cream cheese, powdered sugar, and vanilla until smooth.
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In a separate bowl, whip heavy cream to stiff peaks.
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Gently fold the whipped cream into the peanut butter mixture in batches, creating a light mousse.
Step 3: Assemble the Cake
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Place the devil’s food cake layer on the bottom of a clean 9×13-inch pan or serving board.
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Spread the entire batch of peanut butter mousse evenly across the cake.
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Place the angel food cake layer on top, pressing gently to secure.
Refrigerate for 1 hour to firm up before adding ganache.
Step 4: Add the Chocolate Ganache
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Heat heavy cream in a saucepan until steaming but not boiling.
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Pour over the chocolate in a bowl. Let sit 2–3 minutes.
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Stir until smooth and glossy. Add butter if desired.
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Let the ganache cool slightly until pourable but thickened.
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Pour evenly over the top of the assembled cake.
Refrigerate another 2–3 hours (or overnight) before slicing.
Serving and Storage
To Serve
Use a hot knife (run under warm water) to slice cleanly through the layers. Each slice will show a gorgeous trio of colors: dark chocolate, golden mousse, and pale angel cake.
To Store
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Refrigerate tightly covered for up to 5 days.
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Freeze slices individually for up to 2 months (thaw in the fridge).
Final Thoughts
The Heaven and Hell Sheet Cake is the ultimate dessert paradox—light yet rich, sweet yet salty, indulgent yet balanced. While it involves several steps, each one is surprisingly simple, and the final result is a bakery-worthy showstopper that always impresses.
If you’re ready to make a dessert that’s as dramatic as it is delicious, this cake is your ticket to dessert glory.









