Marbled Skillet Brownie Cake (White Cake and Brownie Batter Mix)

White cake and brownie batter swirled in a skillet makes an easy Marbled Skillet Brownie Cake. Baked over a graham cracker crust, with white chocolate and toasted walnuts mixed in.

Within this recipe post you’ll learn how to make a unique dessert that’s baked in a skillet, with two distinctly different batters. Plus you’ll learn about a nice surprise that happens to the baked brownie batter.

It’s time to dust off my skillet and do some baking…I’m completely kidding of course and would never let that happen to my skillet. I think of it as my most prized kitchen possession, even more so than my chef’s knife, cold brew coffee maker, or 20 x 13 baking pan; and that’s some tough competition. There’s something timeless about a skillet and hope I can pass mine down for generations.

It takes special care, and must be properly dried and greased after each use to last decades, but every dish you make in a skillet is special. This Marbled Skillet Brownie Cake recipe is no exception. The ingredients and beauty of it alone are mesmerizing, and it bakes perfectly in a skillet. White cake batter swirled with brownie batter, and white chocolate chips and toasted walnuts mixed in for added decadence. To top it off (or bottom it off?) there’s a homemade graham cracker crust that adds texture and flavor. To my surprise it all works better than you can imagine.

To save time I suggest uses cake and brownie mix for this recipe. While I love spending time in the kitchen and baking, creating two different batters completely from scratch, plus a crust, could be a bit overwhelming for some. 

They bake perfectly and are so flavorful! Just pour the white batter onto the crust, drop scoops of brownie batter in and swirl to desired amount. White cake batter and brownie batter baked in a skillet…oh this is a remarkable combination. Notice the glorious swirls that look like the surface of some magical dessert planet you want to get lost in? Safe travels and I hope you enjoy this journey.

How to bake two different batters together

Want to take a guess what happens when they bake together? Here it goes…the white cake requires less time than the brownie batter. Bake the white cake perfectly and the brownie batter remains slightly gooey and moist, but still safe and cooked through. See that open slice with all the rich, moist goodness below the surface? That’s basically fudge inside of your white cake.
 

For more skillet recipes check out my:

• Kale and Feta Frittata
• Restaurant Style Skillet Calzone
• Cheddar and Broccoli Skillet Shepherd’s Pie
• Mango and Blueberry Skillet Cobbler
• Rustic Herbed Skillet Chicken and Vegetables

Recipe at-a-glance:

Flavor profiles: Perfectly sweet white cake and white chocolate, mixed with rich chocolate brownie, toasted walnuts and graham cracker crust balance out with just a slight salty savoriness.
Texture: Moist white cake with pockets of gooey, fudge-like brownies. Bits of walnuts add crunch.
Dietary Options/Substitutions: This recipe is vegetarian. Omit walnuts if allergic.

Leave a comment below and star rating if you made this recipe or want to share your thoughts.

 

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5 from 4 votes

Marbled Skillet Brownie Cake

White cake and brownie batter baked in a skillet to gooey perfection.

Course Dessert

Cuisine American

Keyword brownie skillet, easy skillet brownie cake, easy skillet cake

Prep Time 10 minutes minutes

Cook Time 32 minutes minutes

Total Time 42 minutes minutes

Calories 554kcal

Servings 12

Author: Matt Ivan

Did you know? Servings and ingredient amounts can be adjusted on all my recipes. Click the green number above to change.

Ingredients

Graham Cracker Crust

• ▢ 1 ½ cups crumbed graham crackers
• ▢ 4 tablespoons butter, melted

White Cake Batter

• ▢ 17 ouces white cake mix, store-bought
• ▢ 1 stick butter, (½ cup) room temperature
• ▢ 1 cup 2% milk
• ▢ 3 large eggs
• ▢ ½ cup chopped walnuts, toasted
• ▢ ½ cup white chocolate chips

Brownie Cake Batter

• ▢ 15.5 ounce brownie mix, store-bought
• ▢ 1/3 cup olive oil
• ▢ 3 tablespoons water
• ▢ 1 large egg

Instructions

Graham Cracker Crust

• Preheat oven to 350º F. Cover bottom of a 12-inch skillet with parchment paper. In a medium bowl, combine graham cracker crumbs and butter until moist (I used a food processor to make crumbs). Evenly pat into bottom of skillet and bake 7 minutes; remove and let cool.

White Cake Batter

• Beat together cake mix and butter on medium until combined. Add milk and eggs, beat on medium speed for 1 minute then medium-high for 2 minutes. Fold in toasted walnuts and white chocolate chips. Pour over crust, about half-way full; depending on depth of skillet you make not need all batter.

Brownie Cake Batter

• In a large clean bowl, combine brownie mix, oil, water and egg; stirring with a fork or whisk for 2–3 minutes. Spoon large scoops over white cake batter to about 2/3 full, then use a butter knife to create desired swirl pattern, being careful to not over mix. If you have leftover batters bake in a separate dish.
• Bake skillet at 350º for 25–30 minutes, or until top is set and white cake is just light golden color. Check center with a toothpick, you'll want it to come out moist with brownie batter to get fudge-like effect.

Notes

Depending on what brand you use for white cake and brownie mix, ingredients may change. Follow package direction for amounts and baking times.

Nutrition Facts

Marbled Skillet Brownie Cake

Amount Per Serving

Calories 554 Calories from Fat 162

% Daily Value*

Fat 18g28%

Saturated Fat 5g31%

Cholesterol 67mg22%

Sodium 144mg6%

Potassium 110mg3%

Carbohydrates 14g5%

Fiber 0g0%

Sugar 8g9%

Protein 4g8%

Vitamin A 215IU4%

Calcium 62mg6%

Iron 0.9mg5%

* Percent Daily Values are based on a 2000 calorie diet.

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