Blonde Ambition: The Holiday Bars That Made Santa Ditch His Cookies!

The holidays have a way of bringing out the best in the kitchen, don’t they? For me, it’s all about cozy evenings, twinkling lights, and the smell of something sweet baking in the oven. That’s where these Christmas Blondie Bars shine.

Loaded with festive sprinkles, white chocolate chunks, and a hint of warm cinnamon, they’re like a cheerful hug in dessert form. These blondies are soft, buttery, and just the right balance of chewy and gooey—perfect for Christmas parties, cookie swaps, or sneaky late-night treats with a mug of spiced hot chocolate.

I discovered this recipe a few years ago when I needed a quick dessert that didn’t require hours in the kitchen. Blondies have always been a crowd-pleaser, but adding a festive twist made them irresistible. These bars are easy to customize, whether you prefer a drizzle of homemade caramel sauce, a dollop of vanilla ice cream, or enjoy them as they are, with a cozy holiday movie in the background.

Here’s the magic: they come together in one bowl, meaning less cleanup and more time to spend with loved ones.

Serve them warm, and watch everyone go back for seconds. Let’s bake some holiday magic together!

Why I Love This Recipe (And You Will Too)

A baking pan with blondie batter sits inside the preheated oven. The edges begin to turn golden brown, and the aroma of baking fills the air.

  • It’s unbelievably easy: One bowl, minimal prep, and it’s in the oven before you know it. Perfect for last-minute holiday baking.
  • Festive and versatile: You can switch up the toppings—think crushed peppermint, cranberries, or even a drizzle of spiced hot chocolate for an extra festive touch.
  • Crowd-pleaser: Whether it’s for kids or adults, these bars disappear in seconds every time.
  • Rich and buttery goodness: The soft, chewy texture with bursts of melty white chocolate feels like an indulgence you’ll keep coming back to.
  • Great with add-ons: Pair it with caramel sauce, or vanilla ice cream, or enjoy it plain—it’s delightful any way you serve it.
A baking pan with blondie batter sits inside the preheated oven. The edges begin to turn golden brown, and the aroma of baking fills the air.

Christmas Blondie Bars

These Christmas Blondie Bars are rich, chewy, and filled with M&M's and chocolate chips. Perfectly golden brown on the edges and soft in the center for a festive, easy holiday treat!
Prep Time 10 minutes
Cook Time 25 minutes
Total Time 32 minutes
Course Dessert
Cuisine American
Servings 12

Equipment

  • Medium saucepan
  • Medium bowl
  • Whisk
  • 8×8 baking pan
  • Spatula
  • Parchment paper
  • Cooking spray
  • Cup or bowl for cooling butter

Ingredients
  

  • ½ cup 1 stick butter (for browning)
  • 1 cup brown sugar packed
  • 1 large egg
  • 1 egg yolk
  • 1 teaspoon vanilla extract
  • 1 ¼ cups all-purpose flour
  • 1 teaspoon cornstarch
  • ½ teaspoon salt
  • ½ cup M&M’s or any type you prefer
  • ½ cup chocolate chips milk chocolate recommended
  • Flaked salt for topping, optional

Instructions
 

  • Brown the butter in a medium saucepan until golden brown with a nutty aroma. Let it cool.
    A medium saucepan on a white marble cooktop with butter melting and turning golden brown. The saucepan is gently swirled, and the butter gives off a rich, nutty aroma.
  • Preheat the oven to 350°F. Line an 8×8 pan with parchment paper and cooking spray.
    A bowl on the white marble cooktop with browned butter being whisked with brown sugar. The mixture appears smooth and glossy, signaling it's ready for the next ingredients.
  • Whisk together browned butter and brown sugar. Add egg, yolk, and vanilla.
  • Stir in cornstarch, salt, and flour. Gently fold in M&M’s and chocolate chips.
    A large mixing bowl on the white marble cooktop with an egg, egg yolk, and a splash of vanilla extract being added to the browned butter and sugar mixture. The ingredients blend smoothly.
  • Pour the batter into the pan, smoothing with a spatula. Top with extra M&M’s and flaked salt.
    Colorful M&M's and chocolate chips are folded into the dough in a bowl on the white marble cooktop. The candy pieces and chocolate chips are evenly mixed throughout.
  • Bake for 20-23 minutes until edges are golden. Let cool before serving.
    A baking pan with blondie batter sits inside the preheated oven. The edges begin to turn golden brown, and the aroma of baking fills the air.

Nutritional Facts:

Calories220kcal
Carbohydrates35g
Protein3g
Iron3mg
Sugar33 g
Calcium20 mg

Delicious Christmas Desserts to Try This Season

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Archie Johnson

Hi! I’m Archie Johnson

Archie Johnson is a San Diego-born home cook who turns her kitchen into a playground of flavors. With a passion for California's vibrant food scene and a knack for creating delicious, approachable recipes, she's on a mission to show that great cooking is about joy, not perfection.

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