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  • Yield: Makes one 9-by-13-inch Blondie

Source: Martha Stewart Kids, Spring 2006


  • 13 tablespoons unsalted butter, softened, plus more for pan
  • 2 1/2 cups all-purpose flour
  • 1 1/2 teaspoons baking powder
  • 3/4 teaspoon salt
  • 1 1/2 cups packed light-brown sugar
  • 3 large eggs
  • 1 1/2 teaspoons pure vanilla extract


  1. Preheat oven to 350 degrees. Butter 9-by-13-inch cake pan; line with parchment paper, allowing 2-inch overhang. Butter parchment. Whisk flour, baking powder, and salt in a medium bowl. Put butter and brown sugar into mixer bowl; mix on medium-high until pale and fluffy. Mix in eggs and vanilla. Reduce speed to low. Add flour mixture; mix until just combined.

  2. Spread batter into prepared dish; smooth top. Bake until a cake tester inserted into center comes out with only a few moist crumbs attached, 25 to 30 minutes. Let cool in dish 40 minutes. Lift out, and let cool completely on wire rack.

Reviews (10)

  • IslandDawn13 30 Jul, 2012

    This is a really cute idea, looks very tasty. Makes me wish I was not on a weight loss diet!

  • lemonyemilyo 28 Feb, 2010

    Here's a link to the explanation of how this blondie turns "dog cake."

  • Lynn23 31 Jan, 2009

    I thought this recipe was awful-- way too much flour which made them too dry and not chewy at all. I think they would taste better with dark brown sugar instead of light. I won't make these again!

  • kathleenMichael 22 Jan, 2009

    I am intrigued by the picture too, I wonder if they made a pan of regular blondies, and also a pan of regular brownies, they they cut out the figure with a large cookie cutter in the shape of the dog, if they then carefully lifted and swapped the cut outs I think it would look like this. Thats my guess!! The dog bones could be cut out as well from another pan with cookie cutters.

  • Justine2008 1 Nov, 2008

    Is it Blondie on top of Brownie?

  • NancyHill 21 Sep, 2008

    super cool idea, but the recipe has no relationship to the photo. Come on tell us how you did that and what all the different layers are!

  • Emmalee 28 Jul, 2008

    How do you create the different colored layers, the dog outline on top and the dog biscuits?

  • DeeceKS 29 Apr, 2008

    These are so easy to make and really great. Chocolate chips would be too much. They're perfect as they are.

  • DeeceKS 29 Apr, 2008

    These are so easy to make and really great. Chocolate chips would be too much. They're perfect as they are.

  • violetteverte 19 Mar, 2008

    These are really good! Very moist

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