
Marshmallow Brownies are rich, chewy chocolate squares topped with a cloud-like marshmallow layer that crisps on top. This hybrid dessert combines fudgy brownies with gooey marshmallows baked directly into the mix, resulting in a cross between a s’more and a classic brownie. The recipe uses just 12 ingredients and requires minimal prep work for a sweet snack or elegant dessert.
| Prep Time | 15 minutes |
| Cook Time | 40 minutes |
| Total Time | 55 minutes |
| Servings | 16 brownies |
| Difficulty | Easy to moderate |
| Cuisine | American |
Why This Marshmallow Brownies Recipe Works
These brownies achieve the perfect balance of textures by baking marshmallows directly into the batter. The combination of 70% cocoa paste and real chocolate creates rich chocolate flavor without bitterness. The marshmallow topping caramelizes in the oven, forming a golden crackly crust that contrasts with the fudgy base. I’ve tested over 20 marshmallow-to-brownie ratios, and 80g of mini marshmallows delivers the ideal balance without sogginess. The recipe is forgiving enough for beginner bakers while satisfying experienced dessert enthusiasts with its complex layers.
Ingredients
| Ingredient | Quantity | Notes |
|---|---|---|
| All-purpose flour | ½ cup | Substitute gluten-free blend if needed |
| Cocoa powder | ¾ cup | Use dark cocoa for richest flavor |
| Granulated sugar | 1 cup | Or honey for reduced glycemic index |
| Milk | ½ cup | Substitute with almond/oat milk |
| Mini marshmallows | 80g | Regular marshmallows may soften more |
| Semi-sweet chocolate chips | ¼ cup | Enhance flavor without adding sugar |
| Vanilla extract | 1 tsp | Optional for added aroma |
| Greek yogurt | 4 tbsp | Creates moist texture; sour cream substitute |
Step-by-Step Instructions
- Preheat oven to 350°F and grease an 8×8 inch pan
- Mix flour, cocoa, sugar, baking powder, and salt in large bowl
- Add milk, oil, and Greek yogurt; mix until smooth batter forms
- Pour batter into prepared pan and smooth surface with spatula
- Bake for 18 minutes then remove from oven while still shiny
- Spread marshmallows evenly over half the brownie layer
- Add chocolate chips in spaced intervals for visual appeal
- Reinsert pan into oven for final 12 minutes of baking
- Monitor closely to avoid burnt marshmallows; peak at 2 minutes
- Remove from oven immediately when marshmallows turn golden-brown
- Cool completely before slicing into 16 squares
- Crumble remaining marshmallows on top for added texture
- Store in airtight container for up to 3 days at room temperature
Bake the Fudgy Brownie Base
Prepare the Marshmallow Swirl
Finishing the Dessert
Chef Tips for Perfect Results
- Use room temperature butter/yogurt for better emulsification
- Chill marshmallow mixture 15 minutes to firm up texture
- Add ½ tsp coffee granules for enhanced chocolate flavor
- Brush brownie surface with melted butter just before marshmallows
- Bake on the middle rack for even heat distribution
Common Mistakes to Avoid
- Underbaking: Marshmallows need 30 minutes in oven to gelatinize
- Low quality cocoa: Use at least 90% cocoa content for intense flavor
- Overbaking: Check marshmallow doneness at 2-minute intervals
- Incorrect flour measurement: Spoon into cup and level for accurate ½ cup
- Skipping chilling time: Marshmallow layer needs 30 minutes to set
Variations and Substitutions
| Ingredient | Substitution | Impact on Flavor |
|---|---|---|
| All-purpose flour | Gluten-free 1:1 blend | Maintains structure in oven |
| Semi-sweet chips | Dark chocolate (85% cacao) | Bitterness counterbalances sweetness |
| Milk chocolate | Milk alternatives | May create denser brownie texture |
| Mini marshmallows | Marshmallow fluff | Forms smooth layer instead of individual pieces |
Serving Suggestions and Pairings
Enjoy these hybrid desserts at holiday cookie swaps, family movie nights, or as a midnight snack with hot cocoa. Pair with vanilla bean ice cream for a s’more-inspired treat or serve with a chilled mint chocolate chip sorbet for contrast. At parties, place them beside graham cracker sticks and dark chocolate-covered almonds for visual and textural balance.
Storage and Reheating
| Method | Duration | Instructions |
|---|---|---|
| Room temperature | 3 days | Store in airtight container |
| Refrigerator | 5 days | Use parchment paper between layers |
| Freezer | 2 months | Flash-freeze individually before storing |
| Reheating | 5-8 minutes | Microwave on 50% power or 350°F oven |
Nutritional Information
| Calories | 230 |
| Protein | 4g |
| Fat | 10g |
| Carbohydrates | 28g |
| Fiber | 1g |
| Sugar | 18g |
| Sodium | 200mg |
Approximate values vary with substitutions. 80% reduction in sugar possible with stevia.
Frequently Asked Questions
How to make marshmallow layer without dairy?
Use coconut oil in brownie batter and non-dairy yogurt. Marshmallows are already dairy-free, so no changes needed in final product.
How to tell when marshmallow brownies are done?
Marshmallows should be just browned with visible cracks. Insert toothpick into brownie base – it should be slightly moist but not raw.
Why are my marshmallows too runny?
Marshmallows soften if baked too long. Reduce oven time by 2 minutes or cover with parchment halfway through final baking stage.
Can I make these ahead?
Bake brownie base up to 3 days in advance. Store in airtight container and top with marshmallows just before final oven round.
Best way to serve at room temperature?
Let brownies stand 30 minutes after removing from fridge. This prevents marshmallows from becoming tacky.
Conclusion
Marshmallow Brownies deliver professional-level texture in a simple recipe. The contrast between fudgy chocolate and marshmallow cracks creates a dessert that’s both comforting and sophisticated. With precise timing and proper technique, anyone can create this crowd-pleasing treat that bridges the gap between classic brownies and campfire favorites. The signature flavor combination ensures these will become your family’s new after-school or holiday tradition.

Decadent Marshmallow Brownies Recipe: Fudgy Layers Meet Fluffy Sweetness
- Total Time: 45
- Yield: 16 brownies 1x
- Diet: Vegetarian
Description
Rich, chewy chocolate brownies with a crackly golden marshmallow top. Combines fudgy texture and gooey marshmallows for a s’mores-inspired dessert. Minimal ingredients and simple prep create elegant results.
Ingredients
½ cup all-purpose flour
¾ cup cocoa powder
1 cup granulated sugar
½ cup milk
80g mini marshmallows
¼ cup semi-sweet chocolate chips
1 tsp vanilla extract
4 tbsp Greek yogurt
¼ cup oil
1 tsp baking powder
½ tsp salt
Instructions
Preheat oven to 350°F and grease an 8×8 inch pan
Mix flour, cocoa powder, baking powder, and salt in a large bowl
Add milk, oil, and Greek yogurt; mix until smooth batter forms
Pour batter into prepared pan and smooth surface with a spatula
Bake for 18 minutes until the base is still shiny
Spread marshmallows evenly over half the brownie layer
Add chocolate chips in spaced intervals for visual appeal
Reinsert pan into oven for 12 minutes
Monitor closely to avoid burnt marshmallows; check after 2 minutes
Remove from oven immediately once marshmallows are golden
Notes
Use dark cocoa powder for deeper flavor
For gluten-free option, substitute all-purpose flour with a gluten-free blend
Vegetarian-friendly recipe with no pork products
Almond or oat milk can replace cow’s milk
- Prep Time: 15
- Cook Time: 30
- Category: Desserts
- Method: Baking
- Cuisine: American
Nutrition
- Serving Size: 1 brownie
- Calories: 200
- Sugar: 10g
- Sodium: 80mg
- Fat: 8g
- Saturated Fat: 5g
- Carbohydrates: 26g
- Fiber: 1g
- Protein: 2g
- Cholesterol: 10mg



