This showstopping cake captures the gritty charm of Elvis’s iconic Jailhouse Rock —complete with peanut butter banana layers , “prison bars” frosting, and toppings that scream Viva Las Vegas ! Perfect for birthdays, rockabilly parties, or when you just need a slice of rebellion.
Ingredients (Makes 1 9x13-inch Cake or 2 Round 9-inch Layers)
For the Chocolate "Cell Block" Cake:
- 2 boxes chocolate cake mix (or homemade: 2 cups flour, 2 cups sugar, ¾ cup oil, 2 eggs, 2 tsp baking powder, 1 cup milk, ¼ cup cocoa powder )
- 1 tsp vanilla extract
For the Peanut Butter Banana Filling:
- 1 cup creamy peanut butter (no sugar added )
- 1 ripe banana (mashed )
- ¼ cup honey (or powdered sugar to stiffen )
For the "Bars" Frosting:
- 1½ cups vanilla buttercream frosting (store-bought or homemade )
- ½ cup crushed Oreo cookies (for prison bars texture )
- ¼ cup white chocolate chips (melted, for "grate" lines )
Toppings (The Elvis Touch):
- 2 ripe bananas (sliced )
- 4 strips crispy bacon (chopped )
- Edible gold leaf or glitter (optional, for "bling" )
- Red or gold sprinkles (to look like a "prison" cap )
- Edible "keys" candy or mini chocolate coins
Step-by-Step Recipe 🥄
1. Bake the "Cell Block" Cake:
- Preheat oven to 350°F (175°C) . Grease and flour two 9-inch round pans.
- Mix cake batter according to box or homemade recipe. Add vanilla.
- Bake 25–30 minutes (until a toothpick comes out clean). Cool completely.
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