The Texas BBQ-Joint Chocolate Sheet Cake
Chapter 5 — Drinks & Sweets
If brisket is the undisputed king of the Texas meat market, this cake is the queen of the post-meal repast. It is an unpretentious, high-yield marvel born in church basements and perfected under the glow of neon beer signs. The secret isn’t elaborate pastry technique, but sheer thermodynamics: blooming cocoa in boiling butter and pouring molten fudge over the hot sponge the second it leaves the fire. The result is a crackly, fudgy masterpiece that provides exactly the sweet, lactic relief your palate needs after a tray of fatty, pepper-crusted meat.
Before you start
Fire up your cooking vessel of choice to 350°F.
For a pellet smoker, load applewood or pecan pellets. For a basic charcoal kettle, build a two-zone indirect fire using the snake method and drop a single small chunk of applewood on the lit coals. For the apartment dweller, preheat a standard kitchen oven.
Grease a half-sheet pan.
Lightly coat a 13x18-inch rimmed jelly roll pan with butter or non-stick cooking spray.
Ingredients
- all-purpose flour2 cup
- granulated sugar2 cup
- baking soda1 tsp
- kosher salt1/2 tsp
- unsalted butter1 cup
- water or hot brewed coffee1 cup
- natural unsweetened cocoa powder1/3 cup
- eggs2 large
- full-fat buttermilk1/2 cup
- vanilla extract1 tsp
- unsalted butter1/2 cup
- natural unsweetened cocoa powder1/3 cup
- whole milk1/3 cup
- powdered sugar3 cup
- vanilla extract1 tsp
- pecans1 cup
- smoked Maldon sea salt1 pinch
Method
- 01
Mix the dry ingredients.
In a large bowl, whisk together the flour, granulated sugar, baking soda, and kosher salt.
- 02
Bloom the cocoa in boiling fat.
In a saucepan over medium-high heat, combine the one cup of butter, water or coffee, and one-third cup of cocoa powder. Bring the mixture to a rapid boil while whisking constantly. Immediately remove the saucepan from the heat, pour the molten liquid over the dry ingredients, and stir gently until just combined.
- 03
Add the acidic dairy and bind the batter.
In a separate small bowl, whisk together the buttermilk, beaten eggs, and one teaspoon of vanilla extract. Pour this into the heavy chocolate batter and whisk until it thins out into a smooth, pourable liquid. Pour the batter into the greased pan and tap it once firmly on the counter to release any trapped air.
- 04
Bake until perfectly set.
Place the pan on the indirect side of your grate or in the oven for 18 to 22 minutes. The cake is done when a toothpick inserted into the center comes out clean and the internal temperature reads 200°F.
- 05
Prepare the hot fudge pecan icing while the cake bakes.
Timing is non-negotiable here. With five minutes left on the cake's bake, melt the half cup of butter, whole milk, and remaining cocoa powder in a saucepan over a gentle simmer. Remove from heat, whisk in the powdered sugar and vanilla until glossy and lump-free, then fold in the toasted pecans.
- 06
Pour the boiling icing over the steaming cake.
The exact second you pull the cake from the smoker or oven, pour the hot icing directly over it. Use a rubber spatula to gently coax the icing all the way to the edges.
Notes
Let the cake rest in the pan.
Unlike a brisket resting in a faux Cambro, this cake rests on the counter for at least one to two hours. The hot icing will seep into the top layer to create a dense fudge barrier, while the surface crystallizes into a delicate sugary sheath.
Serve squarely out of the pan.
No elegant plating is required or desired. If you took the honest path and baked this in an indoor oven, scatter a microscopic pinch of smoked sea salt across the top right before serving to hit the palate with that atmospheric backyard memory.
From Cook BBQ at Home.