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Close up of s'mores blondies on a round wire rack with parchment paper sliced into squares.

One-Bowl S'mores Blondies

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This easy One-Bowl S’mores Blondies recipe combines all your favorite flavors of a classic summer dessert into an easy-to-make treat that's ready in under an hour. Enjoy gooey marshmallows, rich creamy chocolate, and crunchy graham crackers with every bite!


  • 210 g (1 ½ cups) all-purpose flour
  • 150 g (½ cup) graham cracker crumbs
  • ½ teaspoon baking powder
  • ¼ teaspoon baking soda
  • ¼ teaspoon salt
  • 113 g (½ cup) unsalted butter, melted
  • 220 g (1 cup) light brown sugar
  • 140 g (½ cup) cookie butter spread
  • 2 large eggs, at room temperature
  • 1 ½ teaspoons pure vanilla extract
  • 150 g (¾ cup) semi-sweet chocolate chips
  • 110 (1 cup) marshmallow creme
  • 2 sheets graham crackers, roughly chopped or broken


  1. Preheat oven to 350°F/177°C.  Line an 8×8-inch baking pan with parchment paper so that it hangs over the sides.  Set aside.


Storage: Keep in an airtight container at room temperature for up to 5 days.

Freezer: Wrap tightly in plastic wrap, then place in a resealable freezer bag. Freeze for up to 3 months. To enjoy, thaw at room temperature for a couple of hours.

  • Prep Time: 15 minutes
  • Cook Time: 25 minutes
  • Category: Brownies & Bar
  • Method: Baking