Halloween Sugar Cookie Bars

Decorative Halloween Sugar Cookie Bars topped with colorful icing and festive sprinkles for a spooky treat

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Servings 4–6 people

These Halloween sugar cookie bars are the perfect treat for all your spooky celebrations! With a soft and chewy texture, they are cut into fun-sized pieces, decorated with colorful icing.

Making these bars is a breeze—just mix, bake, and frost! I love how they brighten up any Halloween party, and they vanish faster than you can say “Boo!” 🎃

Key Ingredients & Substitutions

Unsalted Butter: Using unsalted butter gives you control over the saltiness of your cookie bars. If you’re in a pinch, you could use salted butter but reduce the added salt in the base to 1/8 teaspoon.

Granulated Sugar: Granulated sugar creates that perfect sweetness and texture. If you’re looking for a healthier option, you can substitute half with coconut sugar, but the color may change slightly.

All-Purpose Flour: While all-purpose flour gives the cookie a wonderful texture, you can substitute it with a 1:1 gluten-free blend if you need to make these bars gluten-free. Just check that it contains xanthan gum, which helps with structure.

Candy Eyes & Sprinkles: For decorations, feel free to get creative! You can use any fun edible decorations you have on hand, like mini chocolate chips or crushed candies. They add a festive touch without being too spooky!

How Can I Get the Perfect Sugar Cookie Texture?

Getting the right texture for your sugar cookie bars is essential. Here’s how to ensure they come out perfectly soft and chewy:

  • Use room temperature ingredients, especially butter. This helps create a fluffy texture.
  • Don’t overmix your dough once you add the flour. Mix just until combined to keep it tender.
  • Make sure to bake until the edges are lightly golden but the center is still soft. It will continue to cook while cooling.

What’s the Best Way to Frost My Cookie Bars?

Frosting can make or break your cookie bars! Here are some tips to achieve a smooth and even finish:

  • Let the cookie base cool completely before icing. This helps the frosting to set properly.
  • Use an offset spatula to spread the frosting evenly, which helps create a clean look.
  • Divide your frosting into two bowls, as you plan to use two colors. It’s easier to control the color this way.

These tips will help you make the most delightful and festive Halloween Sugar Cookie Bars that everyone will enjoy!

Halloween Sugar Cookie Bars

Ingredients You’ll Need:

For the Sugar Cookie Base:

  • 1 cup (2 sticks) unsalted butter, softened
  • 1 cup granulated sugar
  • 1 large egg
  • 2 teaspoons vanilla extract
  • 2 ½ cups all-purpose flour
  • ½ teaspoon baking powder
  • ¼ teaspoon salt

For the Frosting:

  • 1 cup unsalted butter, softened
  • 3 to 4 cups powdered sugar, sifted
  • 2 teaspoons vanilla extract
  • 3 to 4 tablespoons milk or heavy cream
  • Food coloring: orange and purple gels

For Decorations:

  • Halloween-themed sprinkles (orange, purple, black, white)
  • Black bat-shaped sprinkles or other spooky shapes
  • White candy eyeball sprinkles or piped candy eyes

Time Needed:

This delightful recipe will take about 30 minutes for preparation and baking, plus an additional 20 minutes for cooling and decorating. In total, set aside about 1 hour for making your Halloween Sugar Cookie Bars!

Step-by-Step Instructions:

1. Prepare the Sugar Cookie Base:

Start by preheating your oven to 350°F (175°C). Line a 9×13 inch baking pan with parchment paper or grease it lightly to prevent sticking. In a large mixing bowl, cream together the softened butter and granulated sugar until it’s nice and fluffy. Add in the egg and vanilla extract, mixing until everything is well combined.

In a separate bowl, whisk together the flour, baking powder, and salt. Gradually add the dry mixture to the wet ingredients, stirring gently until you form a soft dough. Press this dough evenly into the bottom of your prepared pan. Pop it in the oven for about 18-22 minutes or until you see the edges are a lovely golden color and the top is set. Once done, allow your cookie base to cool completely in the pan.

2. Make the Frosting:

In another bowl, beat the softened butter until creamy and smooth. Slowly add in the powdered sugar, one cup at a time, blending well after each addition. Add the vanilla extract and about 2 tablespoons of milk or cream, continuing to beat until the frosting is fluffy. If it’s a bit thick, just add more milk as needed to reach a spreadable consistency. Pour the frosting into two bowls and color one portion orange and the other half purple using your gel food colorings.

3. Frost the Cookie Bars:

Once the cookie base is completely cool, spread the orange frosting evenly over half of the cookie. The other half will get a nice layer of the purple frosting. Take your time to create a neat division between the colors. It should look festive and fun!

4. Decorate:

Now, let’s add some Halloween spirit! Generously sprinkle your Halloween-themed sprinkles over both layers of frosting. Ensure to include bat-shaped sprinkles and those adorable candy eyeballs for extra flair! If you like, grab a piping bag and pipe on some more candy eyes or details for added decoration.

5. Cut and Serve:

After your decorations are in place, chill the cookie bars briefly to help set the frosting. When ready, cut them into small square bars. Serve these spooky treats at your Halloween party or gathering and watch them disappear!

These Halloween Sugar Cookie Bars are sure to be a hit with their delicious soft texture, vibrant frosting, and playful decorations. Enjoy making and sharing this festive treat!

Halloween Sugar Cookie Bars

Can I Use Margarine Instead of Butter?

Yes, you can substitute margarine for butter in this recipe. Keep in mind that the texture and flavor may be slightly different, but it will still work well!

How to Store Leftover Cookie Bars?

Store any leftover cookie bars in an airtight container at room temperature for up to 3 days or refrigerate for up to a week. If you prefer them chilled, the fridge is a great option!

Can I Freeze These Halloween Sugar Cookie Bars?

Absolutely! You can freeze the unfrosted cookie bars for up to 3 months. Just wrap them tightly in plastic wrap and foil. When you’re ready to enjoy them, thaw in the refrigerator and then frost as directed!

What Can I Use Instead of Gel Food Coloring?

If you don’t have gel food coloring, you can use liquid food coloring; just be aware that it may not be as vibrant. You’ll need to add more to achieve the desired color, so start with a few drops and adjust as needed.

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