Birthday Cake Blondies
Updated March 19, 2024
- Total Time
- 35 minutes, plus cooling
- Prep Time
- 5 minutes
- Cook Time
- 30 minutes
- Rating
- Comments
- Read comments
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Ingredients
- Butter, for greasing the pan
- 1cup/130 grams all-purpose flour
- ½teaspoon baking powder
- ½teaspoon fine salt
- 1cup/189 grams lightly packed light or dark brown sugar
- ½cup/113 grams unsalted butter, softened
- 1large egg
- 1teaspoon vanilla extract
- ¼cup sprinkles, plus more for the top (see Tip)
Nutritional analysis per serving (12 servings)
194 calories; 9 grams fat; 5 grams saturated fat; 0 grams trans fat; 3 grams monounsaturated fat; 0 grams polyunsaturated fat; 28 grams carbohydrates; 0 grams dietary fiber; 20 grams sugars; 2 grams protein; 106 milligrams sodium
Note: The information shown is Edamam’s estimate based on available ingredients and preparation. It should not be considered a substitute for a professional nutritionist’s advice.
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Preparation
- Step 1
Heat oven to 350 degrees with a rack in the center. Rub a pat of butter all over an 8-inch square baking pan.
- Step 2
Whisk the flour, baking powder and salt in a small bowl.
- Step 3
With a flexible spatula, stir the brown sugar and butter in a large bowl until smooth. Add the egg and vanilla, and stir vigorously until smooth again. Add the flour mixture and stir gently just until no floury streaks remain, then stir in ¼ cup/40 grams sprinkles.
- Step 4
Spread the batter in the buttered pan into an even layer. Scatter sprinkles all over the top.
- Step 5
Bake until golden brown and starting to pull away from the edges of the pan, about 25 minutes. Cool completely in the pan on a rack. Cut into squares or rectangles. The blondies will keep in an airtight container for up to 3 days at room temperature and 3 months in the freezer.
- You can make these with any sprinkles you like. Shiny rainbow sprinkles may melt into the batter or bleed their color a bit on top, but should hold up. Matte sprinkles stay intact in the heat of the oven.
Private Notes
Comments
Chocolate chips, your favorite chopped nuts (especially pecans or walnuts) and flaked coconut are all delicious additions to blondies. Seasonally appropriate m&ms are also a festive touch. For an 8x8 pan you could add a cup total of the above and be very happy.
Hi Kelly, I topped with powdered sugar, cinnamon, & nutmeg for a snickerdoodle vibe. Was great.
The sprinkles are what make these "birthday cake" blondies. Leave them out, but then you're just making regular ol' blondies.
These are gorgeous. I added a wee bit of flaky salt to the top before baking and made it eaven yummier.
I cheated and used my hand mixer for the initial mixing of the butter, brown sugar, egg and vanilla, then switched to a flexible spatula to stir in the flour. The texture was perfect with a 25 minute bake. Will definitely be making these again! The sprinkles didn't really add flavor, but certainly made them look festive!
Super easy and absolutely perfect as is! Have made this many times.