Sourdough S'mores Dessert Bars
These Sourdough S'mores Dessert Bars combine the classic flavors of s'mores with the unique tang of sourdough, providing a delightful treat that's easy to make and perfect for sharing.
Ingredients
Dry Ingredients
- 2 cups all-purpose flour Provides structure
- ½ teaspoon baking powder Adds leavening
- ½ teaspoon Kosher salt Use ¼ teaspoon if using table salt
Wet Ingredients
- ½ cup unsalted butter, melted Adds moisture and richness
- 1 cup brown sugar, packed Sweetens and adds depth
- 1 large egg, room temperature Binds ingredients
- ½ cup sourdough starter discard, room temperature Adds moisture and flavor
- 1 teaspoon vanilla extract Adds warmth and sweetness
Mix-ins and Toppings
- 4 bars Hershey's Milk Chocolate, broken into pieces 3 bars folded into batter + 1 bar for topping
- ½ cup mini marshmallows Adds gooey texture
- ½ cup graham cracker pieces Offers crunch and classic s'more flavor
Instructions
Preparation
- Preheat your oven to 350°F (175°C). Prepare an 8-inch square aluminum pan by lining it with parchment paper or greasing it well.
- In a medium bowl, whisk together flour, baking powder, and salt.
- In a large bowl, whisk melted butter and brown sugar until smooth.
- Add the egg to the butter and sugar mixture, whisking until combined.
- Stir in sourdough starter and vanilla extract until smooth.
Baking
- Gently fold the dry mixture into the wet mixture until no dry flour remains.
- Fold in pieces from three Hershey’s Milk Chocolate bars.
- Spread the batter evenly in the prepared pan.
- Top with remaining chocolate bar pieces, marshmallows, and graham cracker pieces, gently pressing them down.
- Bake for 30 minutes or until a toothpick inserted into the center comes out clean or with a few moist crumbs.
Notes
Let the bars cool completely in the pan before slicing for cleaner edges. Store in an airtight container to maintain freshness.