How to Make Heavenly Hash Brownies: Simple Recipe for the Ultimate Dessert

The recipe for Heavenly Hash Brownies combines rich chocolate, gooey marshmallows, and crunchy nuts for a treat that’s both decadent and easy to make. If you’re craving a sweet, simple dessert, this is the recipe you’ve been looking for. Whether you’re an experienced baker or just starting, we’ve got tips to perfect that chewy texture and marshmallowy goodness. Keep reading for step-by-step instructions and a few helpful tricks to customize this brownie recipe to your taste. After you try it, you’ll see why it’s a favorite among everyone!

What Are Heavenly Hash Brownies? 

Heavenly Hash Brownies are a mouthwatering mash-up of classic chocolate brownies and the beloved flavors of Heavenly Hash candy. They feature three essential elements:

  • Rich chocolate: The silky, velvety base of these brownies is chocolate heaven.
  • Gooey marshmallows: Melt-in-your-mouth marshmallows create pockets of sweet, chewy goodness.
  • Crunchy nuts: Walnuts or pecans provide the perfect savory balance to the sweetness. 

These brownies are a hit among dessert lovers for their incredible texture contrast and indulgent flavor profile. Think of them as the ultimate comfort dessert—ideal for birthdays, potlucks, or simply treating yourself after a long day. 

Essential Ingredients for Heavenly Hash Brownies 

The key to this recipe’s success is in the thoughtfully chosen ingredients. Here’s what you’ll need to create your own batch of heavenly goodness:

The Role of Chocolate 

Chocolate is the soul of any great brownie. For Heavenly Hash Brownies, opt for high-quality semisweet or dark chocolate. You can also use cocoa powder for extra depth, but melted chocolate ensures a rich, fudgy texture. 

Marshmallows for Texture 

Miniature marshmallows add a chewy, gooey component that elevates the brownies from ordinary to extraordinary. They caramelize slightly during baking, creating little pockets of sweetness. 

Nuts for Crunch 

Walnuts or pecans are classic choices for this recipe. They bring a welcome crunch and nuttiness that balances the rich chocolate flavor. If you have allergies or a preference, feel free to leave them out or swap in an alternative like almonds. 

Basic Baking Ingredients 

Every great brownie recipe starts with the staple ingredients:

  • Butter: Adds richness and keeps the brownies moist. 
  • Eggs: Provide structure and a luxuriously dense texture. 
  • Sugar: Balances the bitterness of the chocolate and sweetens the recipe perfectly. 
  • Vanilla extract: Enhances the overall flavor profile, making every bite unforgettable. 
Ingredients for Heavenly Hash Brownies, including marshmallows, chocolate, butter, cocoa powder, eggs, sugar, and pecans, arranged neatly on a marble countertop.
A detailed look at the key ingredients for Heavenly Hash Brownies, showcasing marshmallows, rich cocoa powder, dark chocolate, and crunchy pecans on a marble surface.

How to Prepare the Heavenly Hash Brownie Batter 

Follow these simple steps to ensure your brownies turn out perfectly every time.

Step 1: Mix the Dry Ingredients 

Combine all-purpose flour, cocoa powder, and a pinch of salt in a bowl. Sift the mixture for a smooth and consistent batter.

Step 2: Melt and Combine the Chocolate 

Melt your butter and chocolate together in a heatproof bowl over simmering water, or in the microwave in 30-second bursts. Stir until it’s smooth and glossy, ensuring no lumps remain. 

Step 3: Incorporate the Wet Ingredients 

Whisk eggs and sugar together in a separate bowl until the mixture becomes pale and creamy. Slowly pour in the melted chocolate, followed by the vanilla extract. 

Step 4: Fold in Marshmallows and Nuts 

Gently fold in your marshmallows and nuts to distribute them evenly through the batter. Be careful not to overmix—this ensures your brownies remain fudgy. 

Step 5: Combine Wet and Dry Ingredients 

Slowly incorporate the dry ingredients into the wet mixture, folding carefully to prevent overmixing. The batter should be thick and luscious. 

Baking Heavenly Hash Brownies to Perfection 

Achieving the perfect texture is crucial for Heavenly Hash Brownies. Here’s how to achieve that perfect fudgy interior:

Prepping Your Pan 

Use an 8×8-inch baking pan for this recipe. Place parchment paper in the pan to ensure easy removal and prevent sticking. 

The Ideal Oven Temperature and Time 

Preheat your oven to 350°F (175°C). Bake for 30-35 minutes, watching the edges closely. The edges should be firm, while the center stays slightly soft.

Test for Doneness 

Place a toothpick in the center of the brownies. If it comes out with moist crumbs (but not wet batter), your brownies are done.

Avoid Overbaking 

Keep a close watch in the final minutes—overbaking can result in dry, crumbly brownies. You want them to be gooey and irresistible! 

Two variations of Heavenly Hash Brownies: peanut butter swirl brownies and caramel-filled brownies with a drizzle of caramel sauce.
A side-by-side view of two delicious Heavenly Hash Brownies variations. One features a rich peanut butter swirl, while the other showcases gooey caramel filling topped with caramel drizzle.

Troubleshooting Common Issues with Brownies 

Even seasoned bakers encounter brownie challenges. Here’s how to troubleshoot:

  • Too Dry: Reduce the baking time or double-check your oven’s accuracy with an oven thermometer. 
  • Too Gooey: Extend the bake time slightly, and make sure you use the toothpick test. 
  • Crumbly Texture: Overmixing the batter can lead to this issue. Fold ingredients gently and avoid beating. 
  • Uneven Baking: Rotate the pan halfway through baking for evenly cooked brownies.

For more tips on baking techniques and resources, visit the American Bakers Association, a trusted authority in the baking community.

A stack of rich and fudgy Heavenly Hash Brownies filled with gooey marshmallows and crunchy nuts, displayed on a wooden cutting board.

Heavenly Hash Brownies

olivia
A decadent dessert combining rich chocolate, gooey marshmallows, and crunchy nuts for a perfectly indulgent treat.
Prep Time 15 minutes
Cook Time 35 minutes
Total Time 50 minutes
Course Dessert
Cuisine American
Servings 12 brownies
Calories 250 kcal

Equipment

  • 8×8-inch baking pan
  • Parchment paper
  • 2 Mixing bowls
  • Whisk
  • Sifter
  • Heatproof bowl
  • spatula

Ingredients
  

Dry Ingredients:

  • 1 cup all-purpose flour
  • ½ cup cocoa powder
  • Pinch of salt

Wet Ingredients:

  • ½ cup unsalted butter
  • 8 oz semisweet or dark chocolate
  • 2 large eggs
  • 1 cup granulated sugar
  • 1 tsp vanilla extract

Mix-ins:

  • 1 cup miniature marshmallows
  • ½ cup chopped walnuts or pecans optional

Instructions
 

Prep:

  • Preheat oven to 350°F (175°C). Line an 8×8-inch baking pan with parchment paper.

Mix Dry Ingredients:

  • Sift together flour, cocoa powder, and salt in a bowl.

Melt Chocolate & Butter:

  • Melt butter and chocolate together until smooth. Let cool slightly.

Combine Wet Ingredients:

  • Whisk eggs and sugar until pale and creamy. Stir in melted chocolate and vanilla.

Add Mix-ins:

  • Fold in marshmallows and nuts gently to avoid overmixing.

Incorporate Dry Ingredients:

  • Gradually fold in dry ingredients until combined.

Bake:

  • Pour batter into the prepared pan. Bake for 30–35 minutes, ensuring the edges are firm but the center remains soft.

Cool:

  • Let brownies cool in the pan before slicing.

Notes

  • For a fudgier texture, underbake slightly and use high-quality chocolate.
  • Adjust the nut type or omit for allergies.
  • Caramelized marshmallows create unique pockets of sweetness
Keyword chocolate brownies, easy dessert recipe, fudgy brownies, Heavenly Hash Brownies, marshmallow brownies

Creative Variations of Heavenly Hash Brownies 

Looking to add your own twist to this recipe? Try these creative twists:

  • Add Chocolate Chips or Chunks: Extra chocolate pieces melt into the batter for added indulgence. 
  • Experiment with Nuts: Sub pecans with macadamias or hazelnuts to change the flavor profile. 
  • Gluten-Free Option: Replace all-purpose flour with a gluten-free blend for dietary needs. 
  • Peanut Butter Swirl: Add dollops of peanut butter to the batter before baking, then swirl with a knife. 
  • Caramel Layer: Drizzle caramel between layers of batter for a gooey surprise. 

Frequently Asked Questions (FAQs)

What defines a hash brownie?

A hash brownie is a type of brownie that combines rich chocolate, gooey marshmallows, and crunchy nuts. The term “hash” often refers to the marshmallow and nut mix, which gives the brownie its signature texture. It’s a dessert loved for its balance of sweetness and crunch.

What ingredients enhance the sweetness of brownies?

Sugar, especially granulated or brown sugar, is the primary sweetener in brownies. Marshmallows also contribute a chewy sweetness, while chocolate, particularly semisweet or dark chocolate, adds a rich depth. Together, these ingredients create a perfect harmony of sweetness.

Is it better to use brown or white sugar in brownies?

Brown sugar adds moisture and a slight molasses flavor, giving brownies a richer, more complex sweetness. White sugar results in a lighter texture and crisper edges. The choice depends on the desired texture and flavor; brown sugar will make them denser and chewier.

Is it okay to add instant coffee to brownie batter?

Yes, adding instant coffee can enhance the chocolate flavor in brownies without making them taste like coffee. It deepens the richness of the chocolate, creating a more intense and complex flavor profile. Start with a small amount to avoid overpowering the chocolate taste.

How much sugar is ideal for making brownies?

For a standard brownie recipe, about 1 to 1.5 cups of sugar is typical, depending on the desired sweetness. Too much sugar can make brownies overly sweet, while too little can make them less flavorful. Adjust based on personal preference or recipe guidelines.

What’s the secret to making brownies extra fudgy?

To make brownies fudgier, use more butter and less flour in the recipe. Also, adding an extra egg can help achieve that dense, moist texture. Underbaking slightly and using high-quality chocolate also contributes to a fudgy result.

Can dark chocolate replace semi-sweet chocolate in brownies?

Yes, dark chocolate can replace semi-sweet chocolate in brownies for a richer, slightly more intense flavor. Dark chocolate has a higher cocoa content, which can deepen the brownie’s flavor profile. Adjust the sugar if necessary, as dark chocolate is less sweet than semi-sweet varieties.

Which nuts pair best with brownies?

Walnuts and pecans are the most popular choices for brownies, providing a satisfying crunch and a nutty contrast to the sweet chocolate. Almonds and hazelnuts can also work well, depending on personal taste. Choose nuts that complement the brownie’s texture and flavor profile.

Elevate Your Homemade Brownies Game 

Congratulations—you’re now armed with the ultimate recipe for Heavenly Hash Brownies! Whether you’re treating your family or impressing guests, these brownies are guaranteed to steal the show. 

For even more mouthwatering recipes, dessert tips, and baking inspiration, be sure to explore our collection of easy brownie recipes. From chewy to gooey, we’ve got every style covered. Now grab your whisk and get baking!

Looking for more delectable dessert recipes? Don’t miss our collection of easy and indulgent treats, like our Madeleine cookies, perfect for any occasion!

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