Fudgy Rocky Road Blondies
Fudgy blondies inspired by a back-of-pack recipe, made with s’mores-flavored baking chips, mini marshmallows, and walnuts for a rich, texture-packed twist on classic rocky road.
Prep Time 15 minutes mins
Cook Time 35 minutes mins
15 minutes mins
Total Time 1 hour hr
- 1 cup unsalted butter 2 sticks
- 2 cups granulated sugar
- 4 large eggs
- 2 cups all-purpose flour
- 1 teaspoon salt
- 1½ cups s’mores-flavored baking chips divided
- 2 cups mini marshmallows divided
- 1 cup chopped walnuts divided
Preheat oven to 350°F. Line a 9 x 13 inch baking pan with parchment paper and set aside.
In a large microwave-safe bowl, melt the butter. Let cool slightly.
Whisk the sugar into the melted butter until smooth and glossy.
Whisk in the eggs, one at a time, until fully incorporated.
Add the flour and salt and stir just until combined. Do not overmix.
Fold in most of the s’mores baking chips, mini marshmallows, and walnuts, reserving a small handful of each for the top.
Spread the batter evenly into the prepared pan. Sprinkle the remaining chips, marshmallows, and walnuts over the surface and gently press them in.
Bake for 28–32 minutes, until the edges are set and a toothpick inserted in the center comes out with moist crumbs.
Cool completely in the pan before slicing. Chill briefly for cleaner cuts if desired.
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Blondies will be very fudgy; avoid overbaking.
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For extra gooey marshmallows, add a few on top immediately after baking.
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Walnuts can be swapped for pecans or omitted entirely.