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Strawberry Earthquake Cake

Strawberry Earthquake Cake, you have shattered my world. Something this easy has no business being this good.

It’s a soft, buttery cake with rich swirls of cream cheese, bursts of strawberry, and melty white chocolate throughout. I was genuinely shocked by how good it turned out.

This cake is so simple. You just bake a cake from a box, swirl it with an easy cream cheese mixture, top it with strawberries and white chocolate chips, and pop it in the oven. That’s it. One sentence, and you’re done.

Granted, it’s not the prettiest looking thing. But a few dollops of whipped cream and extra berries on top fix that instantly. Not that it needs it, but if you’re having company over, that’s the move.

Huh, I may have misjudged cake mix.

Overhead view of the whole baked strawberry earthquake cake in a pan with white chocolate chips and strawberries nearby.

What Is Earthquake Cake?

Earthquake cake is a sheet cake made with a boxed mix and a cream cheese swirl that cracks and shifts as it bakes. The uneven, craggy top looks like it’s been shaken by an earthquake, hence the name.

Sadly, it doesn’t look nearly as good before baking. Don’t worry, that’s what the whipped topping is for. We’ll dress it up after.

Unbaked strawberry cake batter in a baking dish swirled with cream cheese and topped with diced strawberries and white chocolate chips.

Different bake times explained

If you’ve looked up this recipe before, you’ve probably noticed that the bake times vary, even when everything else is the same. I’ve done the research for you.

The difference comes down to the baking pan. Different materials hold and distribute heat differently, which affects how long the cake needs in the oven.

So adjust your bake time based on the pan you’re using. 

  • Aluminized steel pan: 30-35 minutes
  • Glass dish: 40-45 minutes
  • Ceramic dish: 50-55 minutes

You’re welcome 🙂

Ingredients for strawberry earthquake cake: strawberry cake mix, cream cheese, butter, eggs, milk, powdered sugar, white chocolate chips, whipped topping, and fresh strawberries.

Ingredients

For the Strawberry Cake Base

Normally, you’d just follow what the box says – combining the cake mix with 3 eggs, water, and oil. But we’re switching it up just a little to elevate the cake. Thanking Reddit for this little tip!

  • Use milk instead of water.
  • Use melted butter instead of oil (and double the amount).
  • Use 4 eggs instead of 3.

That’s it. You’re not doing extra work. You’re just grabbing something else from the fridge. And by golly, the result was incredible. The cake came out richer and softer with the simplest swaps.

For the Cream Cheese Mixture:

  • Cream cheese. Use softened cream cheese so it blends smoothly with the butter and sugar.
  • Melted butter. This adds richness and helps loosen the cream cheese so it spreads and swirls easily into the batter.
  • Powdered sugar. Many recipes use up to 2½ cups per block of cream cheese. I found that way too sweet! I used just 1 cup, and it was perfect. Sweet, but still tangy. Adjust to taste.

Toppings and Mix-ins

  • Diced Strawberries
  • White Chocolate Chips
  • Whipped Topping
Single slice of strawberry earthquake cake topped with whipped cream and strawberries on a blue plate, with scattered white chocolate chips.

How to Make Strawberry Earthquake Cake

Make the cake batter.

Strawberry cake mix batter with eggs, melted butter, milk, and cake mix in a light green mixing bowl on a marble countertop.
Smooth pink strawberry cake batter fully mixed in a light green bowl.

In a large mixing bowl, whisk together strawberry cake mix, eggs, milk, and melted butter until well combined and no streaks of flour remain. Set aside.

Make the cream cheese mixture.

Block of softened cream cheese in a light green mixing bowl on a kitchen counter.
Cream cheese mixture beaten smooth with hand mixer beaters in a mixing bowl.

In another bowl, beat softened cream cheese until smooth. Beat in melted butter until fully incorporated. Gradually add powdered sugar and beat until smooth and creamy.

Assemble the cake.

Thick strawberry cake batter pouring into a greased rectangular baking pan.
Ice cream scoop dolloping cream cheese mixture evenly over strawberry cake batter in the pan.

Pour batter into a greased 9×13-inch baking dish.  Drop dollops of cream cheese mixture on top.

Hand using a knife to swirl cream cheese into strawberry cake batter, creating a marbled pattern.
Unbaked strawberry cake batter in a baking dish swirled with cream cheese and topped with diced strawberries and white chocolate chips.

Use a toothpick or knife to gently swirl it through the batter. Sprinkle strawberries and white chocolate chips on top.

Baking pan filled with strawberry cake batter being placed into the oven with an oven mitt.
Freshly baked strawberry earthquake cake in a pan with white chocolate chips and strawberries nearby.

Bake at 350°F:

  • 30 to 35 minutes if using an aluminum or light-colored steel pan
  • 40 to 45 minutes if using a glass baking dish
  • 50 to 55 minutes if using a ceramic dish

You’ll know it’s done if the cake bounces back when lightly pressed. 

Finish and serve.

Slice of strawberry earthquake cake topped with piped whipped cream on a blue plate, with fresh strawberries and baking pan in the background.
Hand placing sliced strawberries on top of whipped cream frosting over a slice of strawberry earthquake cake on a blue plate.

Slice and garnish with whipped topping, extra diced strawberries, and more white chocolate if desired. Serve and enjoy!

Tips and Substitutions

  • You can stick to the box instructions if you like. But,  I upgraded mine with milk, butter, and extra eggs, and it made a big difference.
  • Add your favorite mix-ins. Chopped nuts, chocolate chips, coconut, extra berries. This cake is forgiving.
  • Frozen strawberries work too. No need to thaw. 
  • Use an ice cream scoop for the swirl. Scoop the cream cheese mixture onto the batter. It’s easier and keeps the dollops evenly spaced.
  • Start checking early. Every oven and pan behaves differently, so begin checking a few minutes before the suggested bake time. You’ll know it’s done when it springs back when lightly pressed.
  • You can earthquake-ize almost any cake mix. Chocolate cake with raspberries, lemon cake with blueberries, red velvet with white chocolate. If it pairs well with cream cheese, it works.
  • You can bake it in round pans. Divide the batter between two greased 8-inch cake pans and bake at 350°F for about 25 to 30 minutes. 
  • Use it as a base for decorating. Think of this cake as a starting point. Frost, fill, stack, and decorate it just like any classic cake. Go nuts.
Close-up of a strawberry earthquake cake slice topped with whipped cream, strawberries, and white chocolate chips on a blue plate.

How to Store and Freeze Earthquake Cake

To Store:

Store the cake in an airtight container in the refrigerator for up to 3 days. Let slices sit at room temperature for about 15 to 20 minutes before serving.

Or, warm it slightly in the microwave and serve with vanilla ice cream on top.

To Freeze:

Wrap the whole cake or individual slices tightly in plastic wrap and place them in a freezer-safe container. Freeze for up to 2 months.

To serve, thaw overnight in the refrigerator or at room temperature for a few hours.

More Desserts You’ll Love

Strawberry Earthquake Cake

Strawberry Earthquake Cake

Prep 10 minutes
Cook 30 minutes
Strawberry Earthquake Cake is a soft, buttery cake with rich swirls of cream cheese, bursts of strawberry, and melty white chocolate throughout.
Servings 12 slices
Course Dessert
Cuisine American

Ingredients

For the Cake:
  • 1 13.25-ounce box strawberry cake mix
  • 4 eggs room temperature
  • 1 cup milk
  • ½ cup butter melted
For the Cream Cheese Swirl:
  • 1 8-ounce block cream cheese, softened
  • ½ cup butter melted
  • 1 cup powdered sugar
Mix-ins and Toppings:
  • 1 cup strawberries diced
  • 1 cup white chocolate chips
  • Whipped cream optional

Instructions

  1. Preheat oven to 350°F and grease a 9×13-inch baking dish.
  2. In a large mixing bowl, whisk together strawberry cake mix, eggs, milk, and melted butter until well combined and no streaks of flour remain. A few small lumps are fine. Set aside.
  3. In another bowl, beat softened cream cheese until smooth. Beat in melted butter until fully incorporated. Gradually add powdered sugar and beat until smooth and creamy.
  4. Pour cake batter into the prepared baking dish. Drop dollops of cream cheese mixture on top. Use a toothpick or knife to gently swirl it through the batter. Sprinkle diced strawberries and white chocolate chips on top.
Bake for:
  1. 30 to 35 minutes if using an aluminum steel pan
  2. 40 to 45 minutes if using a glass baking dish
  3. 50 to 55 minutes if using a ceramic dish
  4. Slice and garnish with whipped topping, extra diced strawberries, and more white chocolate if desired. Serve and enjoy!

Nutrition

Serving1 sliceCalories578 kcalCarbohydrates63 gProtein6 gFat33 gSaturated Fat20 gPolyunsaturated Fat2 gMonounsaturated Fat8 gTrans Fat0.5 gCholesterol125 mgSodium390 mgPotassium140 mgFiber1 gSugar46 gVitamin A1050 IUVitamin C8 mgCalcium95 mgIron1.4 mg

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Hey, it's Mitch!

Welcome to Crossing Kitchens.

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As an Asian living in America, you’ll see influences from different cuisines in my cooking.

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