There’s something about a warm slice of Easy Chocolate Texas Sheet Cake With Cinnamon that feels like a hug from the inside out. It’s thin, fudgy, impossibly moist, and that hint of cinnamon makes it taste almost nostalgiclike something your grandma would’ve made on a Sunday afternoon.
I first made this back in 2020 when I needed a no-fuss dessert for a birthday and didn’t want to deal with layers or frosting drama. The trick is pouring that warm chocolate icing over the cake while it’s still hotit soaks right in and creates this glossy, bakery-style finish. I’ve tested it at least a dozen times since then, and it never fails to disappear within hours.

Easy Chocolate Texas Sheet Cake With Cinnamon Recipe
Ingredients
Method
- Set your oven to preheat at 350°F.
- In a large bowl, stir together the flour, sugar, baking soda, and cinnamon until combined.
- Melt the butter in a saucepan over medium heat and mix in the cocoa powder.
- Add the water to the melted butter mixture and bring it to a boil while stirring well, then take it off the heat.
- Pour this hot chocolate mixture into the dry ingredients and mix until smooth.
- In a separate bowl, lightly beat the eggs with the sour cream until fully blended.
- Add the egg mixture to the batter and stir thoroughly.
- Transfer the batter to a jelly roll pan, spreading it evenly.
- Bake the cake for about 20 minutes or until a toothpick inserted in the center comes out clean and the top turns a golden brown.
- While the cake is finishing, melt the butter for the frosting in a saucepan.
- Whisk in the cocoa powder and then the vanilla extract.
- Gradually add the powdered sugar and stir until smooth.
- Fold in the chopped pecans if using.
- Pour the warm frosting evenly over the hot cake right after baking.
- Allow the frosting to set before slicing and serving.
Notes
- Use a 15 x 10 x 1-inch jelly roll pan for best results. Serve the cake warm with ice cream or whipped cream for extra indulgence. Store the cake covered at room temperature, then refrigerate in an airtight container for up to 5 days. Don’t skip the cinnamon for its unique warmth. Bring eggs and sour cream to room temperature before mixing to ensure a smooth batter.

Why You’ll Love This Easy Chocolate Texas Sheet Cake With Cinnamon
This cake checks every box for a stress-free dessert that still feels special. The warm chocolate frosting gets poured right over the hot cake, creating a glossy finish that soaks into every bite. It’s the kind of recipe that makes you look like a baking pro without the fuss of layers or cooling racks.
- One pan, no layers: Everything happens in a jelly roll panno stacking, no leveling, no filling drama
- That cinnamon twist: A teaspoon of cinnamon adds warmth and depth that makes this taste like something passed down through generations
- Feeds a crowd: This thin, fudgy cake serves 24, making it perfect for potlucks, church suppers, or birthday parties
- Warm frosting magic: Pouring the icing while both cake and frosting are still warm creates that signature bakery-style shine
Key Ingredients You’ll Need
Most of what you need is probably already in your pantry. The all-purpose flour and white sugar form the base, while the cocoa powder delivers that deep chocolate flavor in both the cake and frosting. Don’t skip the cinnamonit’s the secret ingredient that makes people ask what makes this taste so special.
The sour cream keeps everything incredibly moist (I’ve tested this with and without, and trust me, it matters). Room temperature eggs and butter blend more smoothly, so pull them out while you preheat the oven. If you’re adding pecans to the frosting, they add a lovely crunch, but the cake is just as delicious without them.
| Ingredient | Easy Swap |
|---|---|
| Sour cream | Plain Greek yogurt (same amount) |
| Salted butter | Unsalted butter + pinch of salt |
| Chopped pecans | Walnuts, or leave them out entirely |
| Confectioners’ sugar | No good swappowdered sugar is essential for smooth frosting |
How It All Comes Together
Start by whisking your dry ingredientsflour, white sugar, baking soda, and cinnamonin a large mixing bowl. In a saucepan, melt the butter, stir in cocoa powder, then add water and bring it to a boil. Pour that warm chocolate mixture right into your flour bowl and stir until blended.
In a separate bowl, lightly beat the eggs and whisk in the sour cream until smooth. Add this to your batter and mix well. Pour everything into your jelly roll pan and bake at 350° for 20 minutes. During the last 5 minutes, make your frosting by melting butter, stirring in cocoa powder, vanilla extract, and confectioners’ sugar, then folding in pecans if using.
Pro Tip: Work quickly once the cake comes out of the ovenyou want to pour that warm frosting over the hot cake so it creates that gorgeous, glossy finish that soaks right in.
Timing & Temperatures at a Glance
| Step | Time | Temperature |
|---|---|---|
| Prep (mixing batter) | 10 minutes | Room temp ingredients |
| Baking | 20 minutes | 350°F |
| Making frosting | 5 minutes (during last 5 min of baking) | Medium heat on stovetop |
| Frosting the cake | Immediately after baking | Both cake and frosting warm |
Troubleshooting & Quick Fixes
Cake came out dry: This usually means it baked too long or the oven ran hot. Check it right at 20 minutesthe top should be golden brown and a tester should come out clean, but not bone-dry. The warm frosting helps add moisture back, so don’t skip that step.
Frosting feels too thick: Add a teaspoon of water at a time until it’s pourable but still thick enough to coat the cake. You want it warm and glossy, not stiff.
Cake stuck to the pan: Next time, give the jelly roll pan a light spray or brush with butter before pouring in the batter. A half sheet pan works great too.
How to Serve and Store
This cake tastes amazing warm with a scoop of vanilla ice cream melting into that fudgy frosting. You can also top it with whipped cream for a lighter touch. It’s just as good at room temperature the next daysome folks even prefer it after the flavors have had time to settle.
Store it at room temperature covered with plastic wrap for the first day, then transfer to an airtight container in the fridge for up to 5 days. The cake stays moist thanks to that sour cream and the warm frosting that soaked right in.
| Storage Method | Duration | Best For |
|---|---|---|
| Room temperature (covered) | 1 day | Serving same day or next morning |
| Refrigerated (airtight container) | Up to 5 days | Making ahead for the week |
| With ice cream | Serve immediately | Special dessert moment |
Join me on for more irresistible recipes and daily cooking inspiration Pinterest!
FAQs ( Easy Chocolate Texas Sheet Cake With Cinnamon )
Can I make this cake ahead of time?
Yes, this cake actually tastes better the next day as the flavors meld together. Store it covered at room temperature for up to 3 days. The moist texture and rich chocolate flavor develop beautifully overnight. You can also freeze unfrosted cake layers for up to 3 months.
What size pan should I use for this recipe?
Use a standard 18×13-inch rimmed baking sheet (half-sheet pan) for authentic Texas sheet cake results. This creates the signature thin, moist layer that bakes evenly in about 20 minutes. A 9×13-inch pan works too but will be much thicker and need longer baking time.
How much cinnamon should I add?
Start with 1 teaspoon of ground cinnamon mixed into the dry ingredients for a subtle warmth. If you love cinnamon, increase to 1.5 teaspoons. You can also sprinkle extra cinnamon on top of the frosting for added flavor and visual appeal.
Why is my cake dry instead of moist?
Overbaking is the most common cause of dry sheet cake. Check for doneness at 18 minutes – a toothpick should come out with just a few moist crumbs. Also ensure you’re measuring flour correctly by spooning it into the cup rather than scooping directly from the bag.
Can I substitute buttermilk in this recipe?
If you don’t have buttermilk, make your own by adding 1 tablespoon of white vinegar or lemon juice to 1 cup of regular milk. Let it sit for 5 minutes before using. This creates the same tangy flavor and tender crumb that makes the cake so delicious.

You’ll love how this Easy Chocolate Texas Sheet Cake With Cinnamon turns out every single time. Twenty minutes in the oven, and you’ve got a thin, fudgy cake with that glossy bakery finish everyone raves about. The warm frosting sinks right in, making every bite impossibly moist and rich.
If you want to switch things up, try adding a pinch of espresso powder to the batterit deepens that chocolate flavor without tasting like coffee. You can also swap the pecans for mini chocolate chips or leave the frosting plain if you’re short on time. Store leftovers covered at room temperature the first day, then pop them in the fridge. They taste just as good cold the next morning with your coffee.
I’d love to see your version of this cake! Tag me on Instagram or leave a comment below and tell medid your grandma make something like this too? There’s something about a simple sheet cake that brings back the best memories. Save this recipe for your next gathering, or better yet, make it this weekend just because.





