Strawberry Brownie Sheet Cake A Sweet Hug in Every Bite

Hi👋 I’m MARILYN, a 34-year-old from the United Kingdom. Cooking is my passion, and I love sharing delicious, easy-to-follow recipes. Join me on marilynrecipes.com to explore a world of culinary delights, from comforting classics to innovative creations. Let’s make cooking fun and enjoyable for everyone! Cooking is about more than just food it’s about sharing stories and making memories.

One of my all-time favorite memories in the kitchen involves my mom and me baking together on rainy afternoons. I can still smell the chocolate and fresh strawberries wafting through our small kitchen, the sound of laughter echoing as we sampled little bites. That’s exactly how I want you to feel when you bake this Strawberry Brownie Sheet Cake it’s indulgent, comforting, and perfect for sharing with family and friends. This recipe blends the fudgy richness of brownies with the sweet, tangy freshness of strawberries, all in a simple sheet cake that’s easy to make and impossible to resist. Whether it’s a birthday, a family gathering, or just a midweek treat, this Strawberry Brownie Sheet Cake will fill your home with warmth and happiness.

I’ll be honest I first tried combining brownies and strawberries on a whim, and it turned into a revelation. The chewy chocolate base contrasts beautifully with the juicy strawberries and creamy topping, making every bite a little moment of joy. Today, I’m sharing this recipe with you in a way that’s approachable, so even if you’re not a seasoned baker, you’ll come away feeling proud and delighted.

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Why I Love Making This Recipe

There’s something magical about creating desserts that feel both indulgent and approachable. I love making this Strawberry Brownie Sheet Cake because it’s versatile and full of love. It brings together the chocolatey goodness of brownies and the vibrant freshness of strawberries, which makes it perfect for any occasion.

This cake is my go-to when I want to impress guests without spending hours in the kitchen. It’s simple, comforting, and every time I serve it, I see the same joy on people’s faces that I felt as a child watching my mom’s eyes light up over her chocolate creations. It’s more than a cake it’s a memory in the making.


Ingredients & Little Kitchen Secrets

Here’s what you’ll need for this luscious Strawberry Brownie Sheet Cake:

  • 200g unsalted butter, melted
  • 250g granulated sugar
  • 3 large eggs
  • 1 tsp vanilla extract
  • 120g all-purpose flour
  • 40g cocoa powder
  • 1/2 tsp baking powder
  • 1/4 tsp salt
  • 150g fresh strawberries, chopped
  • 100g white chocolate chips (optional, for extra sweetness)
  • 150ml heavy cream
  • 2 tbsp powdered sugar (for whipped cream topping)

Kitchen Secrets:

  • Always melt your butter slowly to avoid burning and to preserve that rich, nutty flavor.
  • Gently fold in the strawberries at the end to prevent them from turning mushy.
  • A pinch of salt in the brownie batter intensifies the chocolate flavor and balances the sweetness.

How I Make It, Step by Step

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  1. Preheat the oven to 180°C (350°F) and line a 9×13-inch baking tray with parchment paper.
  2. In a large bowl, whisk together the melted butter and granulated sugar until smooth.
  3. Beat in the eggs one at a time, followed by the vanilla extract, ensuring a silky batter.
  4. In a separate bowl, sift together the flour, cocoa powder, baking powder, and salt.
  5. Gradually fold the dry ingredients into the wet mixture until just combined.
  6. Gently fold in the chopped strawberries and white chocolate chips, if using.
  7. Pour the batter into the prepared tray and smooth the top with a spatula.
  8. Bake for 25–30 minutes, or until a toothpick inserted in the center comes out with a few moist crumbs.
  9. While the cake cools, whip the heavy cream with powdered sugar until soft peaks form.
  10. Spread the whipped cream evenly over the cooled brownie sheet cake and garnish with extra strawberry slices.

How I Serve It at Home

I love serving this cake slightly chilled, straight from the fridge, so the whipped cream stays fluffy and the strawberries are cool and refreshing. Slice it into generous squares and watch everyone’s eyes light up. It’s perfect with a cup of tea in the afternoon or as a dessert after dinner with family. For extra indulgence, drizzle a little chocolate sauce on top or sprinkle white chocolate shavings for a beautiful finishing touch.


Storage, Reheating & Make-Ahead Tips

  • Storage: Keep it covered in the fridge for up to 3 days.
  • Reheating: If you prefer it warm, remove the whipped cream and gently microwave individual slices for 10–15 seconds.
  • Make-Ahead: You can bake the brownie layer a day in advance and add whipped cream and strawberries just before serving. This keeps it fresh and maintains that beautiful contrast of textures.

100-Word Short Version

This Strawberry Brownie Sheet Cake is a cozy, indulgent dessert that combines fudgy chocolate brownies with juicy, fresh strawberries. I start by whisking melted butter and sugar, then folding in eggs, vanilla, flour, cocoa, and a pinch of salt. Chopped strawberries and optional white chocolate chips make the batter extra special. After baking, I top it with freshly whipped cream and more strawberry slices. It’s perfect for sharing with family or enjoying as a midweek treat. Simple, comforting, and full of love, this sheet cake brings a little bit of magic to every bite.


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Recipe Card Section

⏱️ Time

  • Prep: 15 minutes
  • Cook: 25–30 minutes
  • Total: 45 minutes

🛒 Ingredients <ul> <li>200g unsalted butter, melted</li> <li>250g granulated sugar</li> <li>3 large eggs</li> <li>1 tsp vanilla extract</li> <li>120g all-purpose flour</li> <li>40g cocoa powder</li> <li>1/2 tsp baking powder</li> <li>1/4 tsp salt</li> <li>150g fresh strawberries, chopped</li> <li>100g white chocolate chips (optional)</li> <li>150ml heavy cream</li> <li>2 tbsp powdered sugar</li> </ul>

👩‍🍳 Instructions <ol> <li>Preheat oven to 180°C (350°F) and line a 9×13-inch tray with parchment paper.</li> <li>Whisk melted butter and sugar until smooth.</li> <li>Beat in eggs one at a time, then add vanilla extract.</li> <li>Sift together flour, cocoa powder, baking powder, and salt; fold into wet mixture.</li> <li>Gently fold in strawberries and white chocolate chips.</li> <li>Pour batter into tray, smooth top, and bake 25–30 minutes.</li> <li>Whip cream with powdered sugar until soft peaks form.</li> <li>Spread whipped cream on cooled cake and garnish with strawberry slices.</li> </ol>

📝 Notes

  • Use fresh, ripe strawberries for best flavor.
  • Fold strawberries gently to keep them intact.
  • Optional white chocolate adds a creamy sweetness.
  • Cake can be made a day ahead; add whipped cream before serving.

🍽️ Nutrition (per serving, approx.)
Calories: 320 🍫
Sugar: 25g 🍓
Fat: 18g 🧈
Saturated Fat: 10g
Carbs: 35g
Protein: 4g

Print
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Strawberry Brownie Sheet Cake

Strawberry Brownie Sheet Cake

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  • Author: MARILYN Recipes
  • Prep Time: 15 mins
  • Cook Time: 30 mins
  • Total Time: 45 mins
  • Yield: 12 servings 1x
  • Category: Dessert
  • Method: Baking
  • Cuisine: British
  • Diet: Vegetarian

Description

This Strawberry Brownie Sheet Cake combines fudgy chocolate brownies with fresh, juicy strawberries and a light whipped cream topping. Simple, comforting, and perfect for sharing with family and friends.


Ingredients

Scale
  • 200g unsalted butter, melted
  • 250g granulated sugar
  • 3 large eggs
  • 1 tsp vanilla extract
  • 120g all-purpose flour
  • 40g cocoa powder
  • 1/2 tsp baking powder
  • 1/4 tsp salt
  • 150g fresh strawberries, chopped
  • 100g white chocolate chips (optional)
  • 150ml heavy cream
  • 2 tbsp powdered sugar

Instructions

  1. Preheat oven to 180°C (350°F) and line a 9×13-inch tray with parchment paper.
  2. Whisk melted butter and sugar until smooth.
  3. Beat in eggs one at a time, then add vanilla extract.
  4. Sift together flour, cocoa powder, baking powder, and salt; fold into wet mixture.
  5. Gently fold in strawberries and white chocolate chips.
  6. Pour batter into tray, smooth top, and bake 25–30 minutes.
  7. Whip cream with powdered sugar until soft peaks form.
  8. Spread whipped cream on cooled cake and garnish with strawberry slices.

Notes

  • Use fresh, ripe strawberries for best flavor.
  • Fold strawberries gently to keep them intact.
  • Optional white chocolate adds a creamy sweetness.
  • Cake can be made a day ahead; add whipped cream before serving.

Nutrition

  • Serving Size: 1 slice
  • Calories: 320
  • Sugar: 25g
  • Sodium: 80mg
  • Fat: 18g
  • Saturated Fat: 10g
  • Unsaturated Fat: 6g
  • Trans Fat: 0g
  • Carbohydrates: 35g
  • Fiber: 2g
  • Protein: 4g
  • Cholesterol: 60mg

Conclusion

Making this Strawberry Brownie Sheet Cake always fills my kitchen with warmth, joy, and the kind of memories that last a lifetime. It’s simple, comforting, and full of love just like I want every recipe to be. Bake it for your family, friends, or just for yourself, and savor each bite of chocolatey, strawberry goodness. Every slice tells a story, and I hope this recipe inspires you to create your own sweet kitchen moments.

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