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Chewy S'mores Blondie Bars

Thick, gooey blondie bars packed with chocolate, marshmallows, and graham crackers.
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Prep Time 15 minutes
Cook Time 30 minutes
Total Time 45 minutes
Servings: 12 bars
Course: Dessert, Snack
Cuisine: American, Autumn
Calories: 280
Ingredients Equipment Method Notes

Ingredients
  

Blondie Batter
  • 1.75 cups all-purpose flour
  • 0.5 tsp baking powder
  • 0.5 tsp salt
  • 0.5 cup unsalted butter melted
  • 1 cup brown sugar packed
  • 1 egg large
  • 1 egg yolk
  • 1 tbsp vanilla extract
S'mores Filling
  • 1.5 cups graham cracker pieces
  • 1.5 cups chocolate chunks
  • 1.5 cups mini marshmallows

Equipment

  • Mixing bowls
  • 9x13 Baking Pan
  • Wire rack
  • Hand mixer or whisk

Method
 

  1. Preheat oven to 350°F (175°C). Line a 9x13 pan with parchment.
  2. Whisk flour, baking powder, and salt in a bowl.
  3. Mix melted butter and brown sugar until smooth.
  4. Whisk in egg, yolk, and vanilla.
  5. Fold in dry ingredients until just combined.
  6. Stir in graham crackers and chocolate.
  7. Spread into pan and top with marshmallows.
  8. Bake 25–30 minutes until edges are golden.

Notes

Do not overbake for the best chewy texture.