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Homemade S'mores Brownie Pie with toasted marshmallows, gooey chocolate filling, and a graham cracker crust.

S’mores Brownie Pie

5 from 1 vote
A rich S’mores Brownie Pie tucked into a buttery crumb crust and finished with gooey toasted marshmallows for a nostalgic, fireside-style dessert.
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Prep Time 30 minutes
Cook Time 36 minutes
Cooling Time 2 minutes
Total Time 1 hour 8 minutes
Servings: 10
Course: Dessert
Cuisine: American
Calories: 420
Ingredients Equipment Method Nutrition Notes

Ingredients
  

  • 225 g graham cracker crumbs finely crushed for even packing
  • 63 g granulated sugar used to lightly sweeten the crust
  • 106 g unsalted butter melted slightly cooled after melting
  • 141 g unsalted butter cut into pieces for easy melting
  • 38 ml vegetable oil or melted coconut oil adds moisture to the brownie
  • 250 g granulated sugar fully dissolved for a smooth batter
  • 3 large eggs brought to room temperature
  • 1 large egg yolk adds richness and chew
  • 2 ½ teaspoons vanilla extract pure extract preferred
  • 78 g unsweetened cocoa powder natural or Dutch-process both work
  • 78 g all-purpose flour spooned and leveled for accuracy
  • ⅓ teaspoon salt balances sweetness
  • 225 g semi-sweet chocolate chips evenly distributed throughout batter
  • 30 large marshmallows pressed gently so they adhere

Equipment

  • 1 Medium mixing bowl used for combining graham cracker crumbs, sugar, and butter
  • 1 Large heatproof bowl or small saucepan for melting the butter used in the brownie batter
  • 1 Whisk helps blend the batter until smooth and glossy
  • 1 Silicone spatula ideal for folding in chocolate chips and spreading thick batter
  • 1 9-inch pie dish standard depth and left ungreased for easy crust release
  • 1 Wire cooling rack allows airflow underneath the pie for even cooling
  • 1 Microwave or stovetop either method works for melting butter safely
  • 1 Oven with broiler option used to bake the pie and toast marshmallows if deeper color is desired

Method
 

  1. Set the oven to 350°F (177°C) so it is fully heated before baking.
  2. Combine the graham cracker crumbs and sugar in a bowl, then stir in the melted butter until the mixture looks sandy and cohesive.
  3. Transfer the crumb mixture to an ungreased 9-inch pie dish and gently press it across the bottom and up the sides using light pressure until compact but not hard.
  4. Melt the butter in a heatproof bowl until just liquefied, then whisk in the oil and sugar and let the mixture cool briefly for a few minutes.
  5. Whisk in the eggs, egg yolk, and vanilla until smooth and fully blended.
  6. Add the cocoa powder, flour, and salt, whisking until a thick batter forms with no dry pockets remaining.
  7. Fold in the chocolate chips, then immediately spread the batter evenly into the prepared crust.
  8. Bake the pie for 33 minutes until the edges are set but the center remains slightly soft.
  9. Carefully remove the pie and arrange the marshmallows over the surface, pressing them lightly into the batter so they stay in place.
  10. Return the pie to the oven and bake for an additional 3 minutes, or briefly broil until the marshmallows are toasted to your liking.
  11. Remove from the oven and allow the pie to cool on a rack for at least 45 minutes, preferably longer for neat slices.

Nutrition

Serving: 120gCalories: 420kcalCarbohydrates: 52gProtein: 5gFat: 22gSaturated Fat: 12gPolyunsaturated Fat: 3gMonounsaturated Fat: 6gCholesterol: 85mgSodium: 160mgPotassium: 210mgFiber: 3gSugar: 34gVitamin A: 8IUCalcium: 6mgIron: 15mg

Notes

This pie captures everything cozy about classic s’mores with a bakery-style finish. Letting it cool fully rewards you with clean slices and deep chocolate flavor. Perfect for gatherings when you want comfort and nostalgia in every bite.

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