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Food and Travel From a Slightly Southern Perspective

Home » Recipes » Desserts » Brownie Sheet Cake

Brownie Sheet Cake

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This Brownie Sheet Cake recipe is so good. It’s a mix between a brownie and chocolate sheet cake. Yum!

Brownie Sheet Cake slices
How about a little sweet temptation? Let me tell you how I came up with this Brownie Sheet Cake recipe.

A couple of years ago my youngest child had a math tournament and his school is hosted it. Parents were asked to bring some goodies for a concession sale. I thought that brownies should be a hit.

In looking through a lot of recipes, though, I realized that most recipes only make a 9×9 or an 8×8 pan. I wanted something bigger.

I combined some elements of a few recipes, tweaked them a little, and bam! Brownie Sheet Cake!

cocoa and sugar

I started off by making a simple chocolate syrup. Just sugar, cocoa, water, vanilla, and a little salt.

boiling chocolate

I make the syrup first because it has to come to a boil and then cool. It will thicken some during the cooling period.

Prepared Pan

While the syrup was cooling, I got to work on other aspects of the brownies, like preparing my 9×13 pan. I lined it with aluminum foil and sprayed it with non-stick spray.

Flour, baking powder, and espresso

I then got all of my other ingredients together. (Above is flour, baking powder, salt, and espresso powder.)

Eggs

Typically eggs are added one at a time. I like to crack all of mine into a little glass bowl. I then try to pour them in, one at a time.

Cocoa Butter, butter, and oil

The recipe has a mixture of cocoa powder, butter, and oil. This is quite bitter since there is no sugar. But that is okay since there are two cups of sugar in the brownie batter.

Brownie batter
Luscious batter – still not ready

Brownie Sheet Cake cooling in pan

This is how it looks before the icing is added.

Butter and Chocolate

The icing is a simple chocolate glaze made with chocolate chips, butter, and a little corn syrup.

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Brownie Sheet Cake

Brownie Sheet Cake

Yield: 16 slices
Prep Time: 15 minutes
Cook Time: 40 minutes
Total Time: 55 minutes

Brownie Sheet Cake - this dessert recipe is so good. It's a mix between a brownie and chocolate sheet cake. Yum!

Ingredients

Chocolate Syrup

  • ¼ cup unsweetened cocoa powder
  • ½ cup water
  • 1 cup sugar
  • 1 tsp vanilla
  • ¼ tsp salt

Brownie Batter

  • 1½ cups all-purpose flour
  • 1 tsp baking powder
  • 1 tsp salt
  • 2 Tbsp espresso powder
  • 10 Tbsp butter
  • ¾ cup baking cocoa
  • ¼ cup vegetable oil
  • 2 cups sugar
  • 4 large eggs
  • 2 tsp vanilla extract
  • two-thirds cup chocolate chips
  • Chocolate Syrup

Chocolate Icing

  • 1¼ cups chocolate chips
  • 3 Tbsp corn syrup
  • 1 stick butter

Instructions

  1. To make the syrup: in a medium or large saucepan, whisk the cocoa powder and sugar until well blended. Add water and whisk over medium-high until it starts to boil and becomes a little frothy. Continue boiling for approximately 3 minutes. Reduce heat and allow to simmer for 2 more minutes. Remove from the heat and add salt. Let cool.
  2. Preheat oven to 350 degrees. Line bottom of 13x9 pan with aluminum foil and spray with non-stick cooking spray.
  3. Combine flour, baking powder, salt, and espresso powder and set aside.
  4. Microwave butter until melted in a medium size glass bowl. Add cocoa and oil and whisk until smooth.
  5. Transfer cocoa mixture to a bowl of an electric mixer. Stir in sugar. Add eggs, one at a time, mixing well after each addition. Add vanilla. Gradually add flour mixture. Pour in chocolate syrup and chocolate chips.
  6. Pour batter into prepared 13x9 pan and bake for 25-30 minutes or until done. Let cool before icing.
  7. To make the icing: Melt chocolate chips and butter together in a microwave-safe bowl in 30 second intervals on high, stirring well after each segment. (It took me a total of one minute + an additional 10 seconds.) Add corn syrup and stir until smooth. Let sit for 5 minutes before pouring over brownies.
Nutrition Information:
Yield: 16 Serving Size: 1 slice
Amount Per Serving: Calories: 492 Total Fat: 24g Saturated Fat: 13g Trans Fat: 1g Unsaturated Fat: 10g Cholesterol: 81mg Sodium: 340mg Carbohydrates: 68g Fiber: 3g Sugar: 53g Protein: 5g
Nutrition information is an approximation.
© Lynda
Cuisine: American / Category: Dessert
Iced Brownie Sheet Cake


Like chocolate? Be sure to check out these other delicious chocolatey desserts:

  • Nutella Bread (aka Chocolate Bread)
  • Mini Chocolate Bundt Cakes
  • Easy Salted Caramel Hot Chocolate

September 23, 2017 · 67 Comments

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Comments

  1. Ethel Anderson says

    June 4, 2019 at 9:36 am

    Would like to bake in a larger sheet cake pan would this work

    Reply
    • Lynda says

      June 5, 2019 at 6:24 am

      I am not sure. If you were to do that, you would have to adjust the baking time and/or temperature.

      Reply
  2. Sara says

    June 20, 2018 at 9:33 am

    I see the instructions to make the chocolate syrup, but no instructions as to what the syrup is for. Is it added to the brownie batter or just something to drizzle on top?

    Reply
    • Lynda says

      June 20, 2018 at 10:20 am

      Look at step #5. It gets added to the batter to make it nice and chocolate-y. 🙂

      Reply
  3. Mai Cua says

    March 29, 2017 at 4:47 am

    I love this cake. It looks so amazing

    Reply
  4. Fernando says

    November 2, 2015 at 4:12 pm

    I’d like to know about espresso powder, because here in Brazil there isn’t it.

    Reply
    • Lynda says

      November 2, 2015 at 5:34 pm

      Do you have instant coffee available?

      Reply
  5. Judie Cox says

    August 15, 2015 at 7:20 am

    What is a concession stand for food?

    Reply
    • Lynda says

      August 15, 2015 at 8:06 am

      The “concession stand” was a room full of food that was available for parents of children who were competing in the competition. Parents of children at the host school were asked to bring goodies for the visitors.

      Reply
  6. Vella says

    December 8, 2014 at 5:35 pm

    im from the south and these have been touched! I love them

    Reply
  7. Vella says

    December 8, 2014 at 5:32 pm

    hola at your girl omg! These were awesome!

    Reply
    • Lynda says

      December 8, 2014 at 6:30 pm

      Thanks!

      Reply
  8. Packing my Suitcase says

    December 1, 2014 at 8:51 am

    Wow!! Thus is indeed a temptation… I love brownies, and I love baking them!! Recipe saved 😀
    Loved your blog by the way, I found it via 2 wise monkeys abroad 😀
    I will follow you on your social media channels, so we can keep in touch!
    Have a great week,
    Allane

    Reply
    • Lynda says

      December 1, 2014 at 10:34 am

      Thanks! I love the Wise Monkeys Abroad. Such a sweet, sweet couple!

      Reply
  9. Marilyn Lesniak says

    June 7, 2014 at 1:51 pm

    Just a note to say I chose your Chocolate Sheetcake as my Featured Pick for Merry Monday #5. Congratulations! Please stop by at get your featured badge! http://www.marilynstreats.com

    Hope to see you again!

    Reply
  10. Marilyn Lesniak says

    June 2, 2014 at 4:24 pm

    Marilyn from Merry Monday stopping by to say thanks for joining and hope to see you next week!

    Reply
  11. Jesica H says

    February 26, 2014 at 11:17 pm

    You must have been reading my mind because I couldn’t stop thinking about making brownies today! LOL.
    Pinning!

    Reply
  12. Jen says

    February 26, 2014 at 9:25 pm

    Those look so moist and delicious!

    Reply
  13. Sarah @Must Have Mom says

    February 26, 2014 at 7:37 pm

    Mmm that looks tasty! Anything chocolate and brownie is fine by me!

    Reply
  14. Hanan says

    February 26, 2014 at 7:10 pm

    These remind me of those Little Debbie comic brownies. Love a good brownie!

    Reply
  15. Audrey at Barking Mad! says

    February 26, 2014 at 7:09 pm

    I do NOT like chocolate. Not even the least little bit. BUT? I LOVE Brownies. LOVE THEM! Especially if they are fresh out of the oven, too hot to eat. YUM! And the crispier edges! Super-YUM!

    Reply
  16. Tamara H says

    February 8, 2014 at 4:44 pm

    What kind of chocolate chips did you use?

    Reply
    • Lynda says

      February 8, 2014 at 6:53 pm

      I cannot recall what brand, but it was more than likely either Nestle, Publix, or Kroger’s Simple Truth Organic chocolate chips.

      Reply
  17. Tamara says

    February 6, 2014 at 1:44 pm

    What kind of chocolate chips did you use for the cake and icing?

    Reply
    • Lynda says

      February 6, 2014 at 3:11 pm

      Honestly, I don’t remember what brand, but it would probably have been Nestle, Publix brand, or possibly Kroger’s Simple Truth.

      Reply
  18. Ilia says

    January 29, 2014 at 6:12 pm

    Hey just wondering if it would still be yummy without the espresso powder? I don’t have any in my house due to not drinking coffee or using it in anything. They just look so yummy I really want to try them!

    Reply
    • Lynda says

      January 29, 2014 at 6:49 pm

      I would imagine they should be fine without the espresso powder. If I did not have espresso powder I would still make them. The powder just helps to highlight the chocolate flavor.

      Reply
  19. Mickey says

    January 26, 2014 at 10:04 pm

    That looks awesome! I’ve never put icing on brownies, but clearly should be. 🙂

    Reply
  20. Mellisa says

    January 20, 2014 at 9:39 am

    Looks amazing. I love brownies.

    Reply
  21. vanessa: thequeenofswag says

    January 15, 2014 at 9:00 pm

    This looks amazing. I would eat the whole sheet myself. lol.

    Reply
  22. Tosha G. says

    January 6, 2014 at 4:22 pm

    My only question is are these cakey or fudgy? They look amazing!

    Reply
    • Lynda says

      January 6, 2014 at 7:24 pm

      I would say that they are a blend of the two, if that makes any sense. Thanks for stopping by.

      Reply
  23. Cat Davis says

    November 25, 2013 at 10:15 am

    Those are some good looking brownies. I never have much luck with them myself. Mine always end up hard and overbaked or soft and gooey/raw in the middle.

    Reply
  24. Marla says

    October 29, 2013 at 6:59 pm

    When do you add the stick of butter to the icing?

    Reply
    • Lynda says

      October 29, 2013 at 9:12 pm

      Thank you so much for catching that! Melt the butter with the chocolate chips in the microwave. (I went back and corrected the recipe.) 🙂

      Reply
  25. Katy says

    October 29, 2013 at 5:20 am

    This looks great! I also have to make some concession stand food in a couple of weeks. Maybe I’ll try your recipe.

    Reply
  26. Liz @ A Nut in a Nutshell says

    October 28, 2013 at 11:36 pm

    I can’t believe you didn’t offer to send me some of these. What kind of friend are you? 😉 Those look sooooooooo good!

    Reply
  27. Tammy says

    October 28, 2013 at 12:38 pm

    I believe my family would gobble that up! I made some Turtle Brownies this weekend, the pan is almost empty, ha ha!

    Reply
  28. HilLesha says

    October 27, 2013 at 11:58 pm

    That looks utterly amazing! Thanks for the recipe. 🙂

    Reply
  29. Kelly @ Texas Type A Mom says

    October 27, 2013 at 10:20 pm

    That looks so decadent and delicious!

    Reply
  30. Jennifer @ The Quirky Momma says

    October 27, 2013 at 10:12 pm

    Now that’s the size of brownie recipe I needed! With a large family, this is perfect! Thank you!

    Reply
  31. Jennifer @ My Sweet Sanity says

    October 27, 2013 at 9:18 pm

    Dang it! I really want some brownies now. Thanks for another great recipe that has me drooling.

    Reply
  32. Kait says

    October 27, 2013 at 8:54 pm

    OOoo how yummy! I bet my hubby would love this!

    Reply
  33. Katie says

    October 27, 2013 at 5:46 pm

    that looks SO rich!!

    Reply
  34. Jennifer H says

    October 27, 2013 at 3:48 pm

    I should not of seen this before dinner. My tummy is grumbling! I love chocolate. 🙂

    Reply
  35. Kelly @ A Girl Worth Saving says

    October 27, 2013 at 1:19 pm

    Anything with a stick of butter in it has to be good. Looks amazing!

    Reply
  36. The Involuntary Housewife says

    October 26, 2013 at 10:53 pm

    Oh, these look so good! Can’t wait to try them!

    Reply
  37. Stephanie says

    October 26, 2013 at 10:11 pm

    Hello LOVER!!! This looks amazing!

    Reply
  38. Anne says

    October 26, 2013 at 9:41 pm

    Homemade brownies are delicious, I will have to try your recipe

    Reply
  39. Carla says

    October 26, 2013 at 8:02 pm

    OMG! This looks utterly amazing! My son makes something similar but I think he needs to add the syrup. I’m going to show him this.

    Happy SITS Saturday Sharefest!

    Reply
  40. Embracing The Good Life says

    October 26, 2013 at 1:41 pm

    You had me at brownie but then you took it over the top! I might do this for my little guys 2nd birthday! Great idea. Thanks for sharing.

    Reply
  41. Sandra (at) Coasahmom (dot) com says

    October 26, 2013 at 1:01 pm

    wowza! Really looking good there!

    Reply
  42. Dee @ Cocktails with Mom says

    October 26, 2013 at 12:20 pm

    You just had to go there today. I was all good until I saw that brownie. Man that chocolate icing looks so good.

    Reply
  43. Singapore Mum Blog says

    October 26, 2013 at 11:27 am

    oh man! the chocolate looks so so so so good on the brownie!

    Reply
  44. Echo says

    October 26, 2013 at 8:42 am

    That looks fantastic!

    Reply
  45. patti says

    October 25, 2013 at 10:12 pm

    looks delicious….I love the way you tweak, mix and match your recipes!

    Reply
  46. Krystyn @ Really, Are You Serious? says

    October 25, 2013 at 7:59 pm

    Oh goodness..this looks heavenly!

    Reply
  47. Meghan @JaMonkey says

    October 25, 2013 at 1:32 pm

    This would be good without the icing. I love the crust on the brownies!

    Reply

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Oh, hi there!

My name is Lynda and I am a recovering sugar addict and travel junkie. I'm also a mom of two children & 2 dogs, wife of 1....and a messy cook taking life one bite at a time. Read More…

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