Samoa Cookies Sheet Cake

Prep Time 20 minutes
Cook Time 20 minutes
Cool Time 20 minutes
Total Time 1 hour
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This Samoa Cookies Sheet Cake includes a rich chocolate sheet cake base, a layer of caramel coconut frosting, dark chocolate drizzle and samoa cookies on top!

Piece of Samoa Cookies Sheet Cake topped with Samoa Girl Scout Cookie set in a black plate

If you are reading this, I assume you are, like me, a samoa cookie lover. 

Every year, I see those adorable little dealers (the girl scouts) standing outside of publix offering me endless boxes. 

I can pass by most of the cookies, but a box of samoa cookies and thin mints always find their way into my hands.

So this gorgeous Samoa Cookies Sheet Cake is my ode to one of my favorite girl scout cookies!

Samoa cookies on top of sheet cake on a plate.

The base for this Samoa Cookies sheet cake is an awesome recipe that I have shared before. 

It’s a family favorite — my Chocolate and Peanut Butter Texas Sheet Cake

The batter is whipped together, baked and out of the oven in 30 minutes. It couldn’t be easier. 

So since it’s already perfect, I kept that as the base recipe. 

Samoa Cookies Sheet Cake Ingredients

For the frosting, we make a caramel coconut frosting with lots of brown sugar, butter and coconut

It’s sweet and will remind you of the frosting on a German Chocolate Cake, but without the nuts.

It melts into the top of the cake just a little and pairs perfectly with the chocolate sheet cake. 

We could have stopped there, but then it wouldn’t have been as decadent. 

Slices of samoa cookies sheet cake.

Just like the samoa cookies, we drizzle on some swirls of dark chocolate on top of the sheet cake. 

Then, we top it with some adorable samoa cookies. It came out pretty dang cute if I do say so myself!

It is not necessary to add the samoa cookies if you happen to make this cake outside of girl scout cookie season. 

The cake itself has plenty of samoa cookie flavor all by itself. The cookies just add some extra fun. 

Slices of chocolate sheet cake on a wire rack.

If you LOVE German chocolate everything, you could easily turn this recipe into a German chocolate cake. 

Add a cup of chopped pecans to the frosting and skip the chocolate drizzle and samoa cookies on top. 

Then, BAM, it’s a German chocolate sheet cake. ;-) Couldn’t be easier! 

Piece of Samoa Cookies Sheet Cake topped with Samoa Girl Scout Cookie set in a black plate

This Samoa Cookies Sheet Cake is done, start to finish, in about 45 minutes.

The chocolate sheet cake itself is incredibly easy and uses one bowl and melted butter. It is into the oven in just minutes.

While there are a good number of steps to the entire cake, it is very easy to whip together! 

I can’t wait for all of you to try this Samoa Cookies Sheet Cake! 

Make sure and leave your reviews below!

Piece of Samoa Cookies Sheet Cake topped with Samoa Girl Scout Cookie set in a black plate
4.6 from 17 votes
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Yield: 12 servings

Samoa Cookies Sheet Cake Recipe

This Samoa Cookies Sheet Cake includes a rich chocolate sheet cake base, a layer of caramel coconut frosting, dark chocolate drizzle and samoa cookies on top!
Prep Time20 minutes
Cook Time20 minutes
Cool Time20 minutes
Total Time1 hour

Ingredients

Cake:

  • 1 cup (2 sticks) unsalted butter, melted and cooled for 5 minutes
  • 1 cup whole milk
  • ½ cup sour cream
  • 2 cups granulated sugar
  • 2 large eggs
  • 2 teaspoons vanilla extract
  • 1 ½ cups all-purpose flour
  • ½ cup cocoa powder
  • 1 teaspoon baking soda
  • ½ teaspoon salt

Caramel Coconut Frosting:

  • 12 oz evaporated milk
  • 1 cup brown sugar
  • ½ cup granulated sugar
  • 5 large egg yolks
  • ¾ cup (1.5 sticks) unsalted butter
  • 2 teaspoons vanilla extract
  • ½ teaspoon salt
  • 3 cups shredded coconut

Optional toppings:

  • 1 ½ cups semi-sweet chocolate chips
  • Samoa Cookies

Instructions 

  • Preheat oven to 350°F. Grease a 13 x 18 jelly roll pan with butter or spray with Baker’s Joy.
  • In a large bowl, whisk together melted butter, milk, sour cream and sugar. Whisk in egg and vanilla extract. Then whisk in flour, cocoa powder, baking soda and salt.
  • Pour batter into prepared jelly roll pan and bake for 20 minutes, or until a toothpick inserted in the center comes out clean. 
  • Let cake cool for 10 minutes then start on the caramel coconut frosting. 

Caramel Coconut Frosting:

  • In a large saucepan combine evaporated milk, brown sugar, granulated sugar, egg yolks and butter. 
  • Cook over medium heat, stirring constantly, until thick, about 10 minutes. (You want a thick syrup consistency.)
  • Remove from heat and whisk in vanilla extract and salt. Stir in coconut. Let cool for 10 minutes before spreading on cake.
  • To garnish cake, melt semi sweet chocolate chips according to package directions. Drizzle on top of cake (using a piping bag or a ziplock bag with the tip cut off for a cleaner look) and then top with Samoa cookies. 

Video

Nutrition

Serving: 1slice, Calories: 894kcal, Carbohydrates: 101g, Protein: 10g, Fat: 53g, Saturated Fat: 34g, Polyunsaturated Fat: 2g, Monounsaturated Fat: 13g, Trans Fat: 1g, Cholesterol: 199mg, Sodium: 413mg, Potassium: 458mg, Fiber: 5g, Sugar: 82g, Vitamin A: 1181IU, Vitamin C: 1mg, Calcium: 171mg, Iron: 4mg

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If you are looking for more sheet cake recipes, check out these recipes below:

Pumpkin Sheet Cake

Chocolate and Peanut Butter Sheet Cake

White Texas Almond Sheet Cake

 

Post may contain affiliate links. Read my disclosure policy.

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8 Responses
  1. Sachin

    Really very delicious and delicious dishes. My mouth is full of water. I’ll make it again soon … :). Keep sharing your recipes.

  2. Samantha Paul

    wow…am a big fan of cookies also…and this looks incredible & more delicious…i will make it in this upcoming weekend….Thanks for sharing…!

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Jessica
For the past 15 years, Jorge & Jessica have loved getting to share their families' favorite recipes with all of you. They live in Florida with their 3 kids.