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Cranberry orange blondies with buttery golden centers and visible tart cranberries cut into clean bars.

Cranberry Orange Blondies with Tart Cranberries

These cranberry orange blondies pair buttery, brown sugar centers with bright orange zest and pockets of tart cranberry. A 9 x 13 inch metal pan produces lightly golden edges and a soft, fully baked center that slices cleanly after cooling.
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Prep Time 25 minutes
Cook Time 32 minutes
Cooling 2 hours
Total Time 2 hours 57 minutes
Servings: 24 blondies
Course: Dessert
Cuisine: American
Calories: 200
Ingredients Equipment Method Notes

Ingredients
  

  • 1 cup unsalted butter 226 g, melted and cooled until warm
  • 1 3/4 cups packed light brown sugar 350 g
  • 1/2 cup granulated sugar 100 g
  • 2 tablespoons finely grated orange zest From about 2 medium oranges, avoiding the white pith
  • 3 large eggs At room temperature
  • 2 teaspoons pure vanilla extract For depth and rounded flavor
  • 2 1/2 cups all-purpose flour 300 g, spooned and leveled if not weighed
  • 1 teaspoon baking powder Level measure
  • 3/4 teaspoon fine sea salt Distributes evenly through the batter
  • 2 1/2 cups fresh or frozen cranberries 250 g; keep frozen cranberries frozen until needed

Equipment

  • 9 x 13 inch light-colored metal baking pan
  • Parchment paper
  • Nonstick cooking spray or softened butter for greasing
  • Small saucepan or microwave-safe bowl
  • Large mixing bowl
  • Medium mixing bowl
  • Fine rasp grater or citrus zester
  • Balloon whisk
  • Flexible silicone spatula
  • Digital kitchen scale or measuring cups and spoons
  • Wire cooling rack
  • Thin sharp chef’s knife

Method
 

  1. Position a rack in the center of the oven and heat it to 350°F. Lightly grease a 9 x 13 inch light-colored metal pan, then line the bottom and two long sides with parchment, leaving handles for lifting. Grease the exposed short sides. A metal pan conducts heat efficiently enough to set the center before the edges become hard; avoid placing it on a sheet pan, which can slow bottom browning.
  2. Melt the butter in a small saucepan over low heat or in a microwave-safe bowl in short intervals. Pour it into a large mixing bowl and let it cool for 8 to 10 minutes, until warm and fluid but no longer hot. Cooling protects the eggs from coagulating and helps the butter combine smoothly with the sugars. Use this pause to measure the remaining ingredients and finely grate the orange zest.
  3. Add the brown sugar, granulated sugar, and orange zest to the warm butter. Use clean fingertips to rub the zest through the sugars for about 30 seconds, breaking apart any brown sugar lumps as the mixture becomes fragrant. Whisk for 60 to 90 seconds, until evenly blended and glossy. The sugar will not fully dissolve, but there should be no dry pockets or visible pools of separated butter around the bowl.
  4. Add the eggs one at a time, whisking thoroughly after each addition until the mixture looks smooth before adding the next. Whisk in the vanilla, then continue for about 30 seconds, stopping when the batter is cohesive, slightly thickened, and glossy. Do not aggressively whip for several minutes because excess aeration can push the texture toward cakey. Scrape the bottom and sides of the bowl with a flexible spatula to catch any unmixed butter.
  5. In a medium bowl, whisk the flour, baking powder, and salt for 30 seconds. Add the dry mixture to the wet ingredients and fold with a flexible spatula until only a few narrow flour streaks remain. Add the fresh or still-frozen cranberries and fold just until evenly distributed and no dry flour is visible. The finished batter should be thick, glossy, and scoopable rather than pourable; overmixing at this point can make the cooled edges tough.
  6. Transfer the batter to the prepared pan and spread it into an even layer, pressing it carefully into the corners without crushing the cranberries. Smooth the surface with the spatula. Bake for 29 to 34 minutes, rotating the pan once after 22 minutes. The edges should be golden and set, while the center looks matte rather than wet and gives only a slight wobble. A tester inserted away from a cranberry should show moist crumbs, never glossy raw batter.
  7. Set the pan on a wire rack and cool the blondies completely for at least 2 hours. Do not lift them while warm because the buttery center is still setting and may bend or tear. Run a thin knife along the unlined sides, use the parchment handles to transfer the slab to a board, and peel away the paper. For 24 bars, cut into 4 rows by 6 columns with a sharp knife, wiping the blade clean between cuts.

Notes

  • Use a light-colored metal pan for predictable edge and center baking. Glass retains heat longer, while a dark pan can brown the perimeter before the middle is properly set.
  • Zest the oranges directly over the sugar bowl so the fragrant oils land in the recipe rather than on a cutting board. Stop grating as soon as the white pith appears.
  • If using frozen cranberries, do not thaw them. Thawed berries release juice early, which can streak the batter and create gummy pockets around the fruit.
  • Check doneness in a section without a cranberry. Piercing fruit can coat the tester with juice and make a properly baked center look raw.
  • For the cleanest cuts, let the slab cool completely, then chill it for 20 minutes before slicing. Use a thin, sharp knife and clean it after every cut.