Friday, February 20, 2026

Smooth Frosted Sugar Cookie Bars

Thick, chewy, and smothered with vanilla frosting, these are the most effective sugar cookie bars I’ve tasted! They’re straightforward to make with easy substances, plus cookie butter for added taste. There’s no want to relax, roll, or minimize out the cookie dough!

For those who love chocolate chip cookie bars and blondies, my frosted sugar cookie bars are positively your subsequent favourite potluck dessert.

Smooth Frosted Sugar Cookie Bars

Sugar cookie bars have all the flavour of a soft-baked sugar cookie, with out the chilling, rolling, or chopping. Every bar is thick and chewy, like biting right into a fudgy brownie crossed with a frosted sugar cookie.

My secret to the most effective sugar cookie bars is Biscoff cookie butter. Blended into the dough, cookie butter provides much more taste. It’s a secret I’m sharing with you, so your cookie bars can come out as scrumptious and chewy as ever.

  • Much less effort than precise sugar cookies. Baking cookies in bars means there’s no chilling, rolling, or chopping the dough. It’s a large drop cookie, however dropped straight into the pan.
  • Thick and chewy. We don’t fiddle with skinny, flimsy cookie bars. Chilling the completed cookie bars makes them straightforward to slice into thick squares.
  • One bowl surprise. Begin with the moist substances, stir within the dry substances, fill the pan, and bake.
  • Any-and-all events. Cookie bars are made for transporting and sharing. The frosting and sprinkles are additionally straightforward to customise for various events. Bake a batch for holidays, birthdays, and potlucks.

Collect Your Components

Sugar cookie bars ingredients with text labels overlaying each ingredient.Sugar cookie bars ingredients with text labels overlaying each ingredient.
  • Butter – Unsalted butter, softened to room temperature.
  • Cookie Butter – I exploit Biscoff, however any model will work. Including cookie butter can be elective, however I’ll at all times advocate it! 😉
  • White Granulated Sugar – Gentle brown sugar may also be used.
  • Eggs – You’ll want small-sized eggs for this recipe.
  • Vanilla – Actual vanilla extract or vanilla paste (you’ll be able to substitute them 1:1).
  • Flour – I like to recommend all-purpose flour for the most effective outcomes.
  • Baking Powder – To not be confused with baking soda.
  • Frosting – You should utilize any frosting to brighten these cookie bars. I embrace a straightforward vanilla frosting recipe within the recipe card. All you want is softened butter, powdered sugar, vanilla, and milk to regulate the consistency.
Four frosted sugar cookie bars served on a plate.Four frosted sugar cookie bars served on a plate.

Brown the Butter for These Bars

Browning the butter is elective, but it surely provides a complete different layer of wealthy, nutty taste to those cookie bars, and it’s straightforward to do.

  1. To brown butter, warmth the butter in a saucepan till it’s foaming. Proceed to cook dinner and stir because the butter turns a deep amber colour. For that reason, I like to recommend utilizing a light-colored pan.
  2. As soon as the butter has browned, pour it right into a heatproof bowl straight away so it doesn’t overcook. Let it flip again right into a stable (you’ll be able to pace this up by inserting the browned butter within the fridge). As soon as it’s stable, your browned butter is able to use as directed!
Sugar cookie bars topped with frosting and sprinkles.Sugar cookie bars topped with frosting and sprinkles.

Recipe Notes

  • Bake in a light-colored pan. The darker the pan, the darker the perimeters of the cookie bars shall be.
  • Don’t overbake. The important thing to tender, chewy sugar cookie bars is to go away them barely underbaked. They need to look pale and NOT golden. Overbaking results in dry, crumbly bars.
  • Get neat slices. Chill the frosted cookie bars for Quarter-hour or so forward of slicing. This makes neat, clear slices.
  • Change the frosting. As a substitute of vanilla frosting, absolutely anything goes. Strive the chocolate frosting from my Satan’s meals cupcakes or the cream cheese frosting from this banana cake recipe.

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  • Put together to bake. Preheat the oven to 350˚F. Line an 8×8-inch baking dish with parchment paper, backside and sides, and put aside.

  • Combine the moist substances. Within the bowl of a stand mixer, cream collectively the unsalted butter, cookie butter, and granulated sugar for about 2-3 minutes, or till mild in colour. Add the eggs one by one, beating nicely after every addition. Stir within the vanilla extract.

  • Add the dry substances. Whisk the flour, baking powder, and salt in a small mixing bowl. Then, using a rubber spatula, fold the flour combination into the moist substances simply till mixed. You’ll have a thick dough.

  • Bake. Switch the ready dough to the baking dish. Press with a spatula so it’s evenly distributed. Ensure that the highest is clean. Bake for 20-25 minutes. The cookie dough ought to nonetheless be pale. Set it apart to chill down fully.

  • Make the frosting. In the meantime, within the bowl of a stand mixer fitted with the paddle attachment, beat the softened butter on medium pace for about 1½ to 2 minutes, or till clean and fluffy. Scrape down the edges of the bowl as wanted. Then, progressively add the powdered sugar. As soon as all of the sugar is included, add the milk and vanilla extract. Proceed beating till nicely mixed.

  • Assemble, chill, and serve. Unfold the frosting over the cooled cookie base. Add sprinkles and refrigerate for 10-Quarter-hour, then minimize into squares and serve.

  • Cookie butter is elective. I like so as to add cookie butter (Biscoff) for further taste, however it isn’t obligatory. You possibly can depart it out, or use peanut butter, or another nut butter you want.
  • Brown the butter. That is elective, however you too can brown your butter for this recipe. Warmth the butter in a saucepan till it’s foaming. Proceed cooking and stirring till the butter turns a deep amber colour. Pour the browned butter right into a heatproof bowl instantly and let it solidify (you’ll be able to refrigerate to hurry up the method), then use as directed.
  • Chill the dough. Ensure that to relax the cookie bars earlier than chopping for cleaner, sq. cuts.
  • Don’t overbake the cookie base, or it is going to be too crumbly. The cookie dough will nonetheless look pale after baking. Don’t chase golden colour.

Energy: 445kcal | Carbohydrates: 58g | Protein: 4g | Fats: 22g | Saturated Fats: 13g | Polyunsaturated Fats: 1g | Monounsaturated Fats: 5g | Trans Fats: 1g | Ldl cholesterol: 69mg | Sodium: 84mg | Potassium: 69mg | Fiber: 1g | Sugar: 33g | Vitamin A: 620IU | Calcium: 24mg | Iron: 2mg

Dietary information is an estimate and supplied as courtesy. Values might fluctuate in response to the substances and instruments used. Please use your most well-liked dietary calculator for extra detailed information.

  • Put together to bake. Line an 8×8-inch baking dish with parchment paper whereas the oven preheats to 350ºF.
  • Combine the moist substances first. In the meantime, cream the softened butter with the cookie butter and sugar. One after the other, add the eggs, mixing nicely in between, after which add the vanilla.
  • Add the dry substances. Subsequent, fold within the flour, baking powder, and salt. The dough shall be thick.
  • Fill the pan. Press the sugar cookie dough into the ready baking dish in an excellent layer, and clean out the highest.
  • Bake. Bake the cookie bars for 20-25 minutes at 350ºF. The dough ought to nonetheless be pale when it comes out of the oven. Set the cookie bars apart to chill totally earlier than you frost them.

Frost the Bars

As soon as the sugar cookie bars are cooled, it’s time so as to add a beneficiant layer of selfmade frosting. And sprinkles. As a result of the whole lot is best with sprinkles.

  • Make the frosting. First, beat softened butter till it’s mild and fluffy. Then, slowly add the powdered sugar, adopted by the milk and vanilla. Beat till the frosting is clean and mixed.
  • Frost the bars. Unfold a thick layer of frosting evenly over the cookie base. Beautify with sprinkles or any toppings you’d like, after which transfer the bars to the fridge. Chill the cookie bars for 10-Quarter-hour earlier than you chop them into squares.
Sugar cookie bars topped with frosting and sprinkles on a countertop, with a bowl of sprinkles in the background.Sugar cookie bars topped with frosting and sprinkles on a countertop, with a bowl of sprinkles in the background.
  • Retailer hermetic. Hold the frosted cookie bars coated in an hermetic container, or wrap the pan in plastic wrap. They’ll keep contemporary for 1-2 days at room temperature. After that, it’s finest to refrigerate them as a result of frosting.
  • Freeze. For those who’d prefer to freeze these sugar cookie bars, I’d counsel freezing earlier than they’re frosted. Wrap the bars in a layer of plastic wrap, then foil, and freeze them for as much as 3 months. Thaw the cookie bars at room temperature earlier than you frost them.

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