Easy Sugar Cookie Bars Recipe

Easy Sugar Cookie Bars Recipe delivers soft, chewy vanilla squares with light golden edges and fluffy frosting. This pan bake suits busy families and bake sale planners, and the whole batch takes about 35 minutes start to finish. I tested it on a weeknight while my coffee cooled, and it felt like a tiny win.

Why Easy Sugar Cookie Bars Recipe Is Worth It

Easy Sugar Cookie Bars Recipe saves time and delivers bakery-style results without rolling or chilling. You press the dough into one pan, bake once, and frost the whole slab. Cleanup stays minimal while you still get that classic soft sugar cookie texture.

The bars stay tender for days, so you can bake ahead for parties or lunch boxes. The frosting takes color and sprinkles like a charm.

Buttery, soft, and perfectly sweet, these bars vanished at our potluck before I found a plate ★★★★★

Ingredients You Need

• All-purpose flour: 2.5 cups or 300 g
• Cornstarch: 2 tablespoons for extra tenderness
• Baking powder: 1 teaspoon
• Fine sea salt: 0.5 teaspoon
• Unsalted butter: 0.75 cup or 170 g, softened to cool room temp
• Granulated sugar: 1 cup or 200 g
• Large egg: 1
• Egg yolk: 1 for extra chew
• Sour cream or plain Greek yogurt: 2 tablespoons for moisture
• Pure vanilla extract: 2 teaspoons
• Almond extract: 0.25 teaspoon, optional for bakery-style flavor
• Rainbow sprinkles: 2 to 3 tablespoons, optional for funfetti vibes

Frosting:

• Unsalted butter: 0.5 cup or 113 g, softened
• Powdered sugar: 2.5 to 3 cups or 300 to 360 g, sift if lumpy
• Heavy cream or milk: 2 to 3 tablespoons, as needed for spreadable texture
• Pure vanilla extract: 1 teaspoon
• Pinch of fine salt
• Gel food coloring and sprinkles, optional
• Shortcut: canned vanilla frosting works in a pinch, or pick a favorite brand with butter in the first few ingredients

Equipment:

• 9 by 13 inch metal baking pan
• Parchment paper with overhang for easy lifting
• Large bowl and hand mixer or stand mixer with paddle
• Rubber spatula and offset spatula
• Measuring cups and spoons

Quick Tips & substitutions

• Line the pan with parchment so you can lift and slice cleanly.
• Use room temp butter so the sugar creams properly and traps air for a soft crumb.
• Swap sour cream with plain Greek yogurt at a 1:1 ratio.
• Use clear vanilla if you want that classic bakery flavor and a bright white frosting.
• Choose a gluten-free all-purpose blend with xanthan gum and watch bake time near the early mark.
• Chill the dough for 10 minutes if your kitchen runs warm, which helps prevent puffing.
• Add lemon zest or orange zest to the dough for a citrus twist.
• Replace almond extract with more vanilla if allergies apply.
• Use pastel sprinkles that do not bleed, or fold in mini white chocolate chips instead.

How to Make Easy Sugar Cookie Bars Recipe

Prep the pan and oven

• Heat oven to 350°F. Line a 9 by 13 metal pan with parchment, leaving two flaps to lift.
• Lightly mist the parchment with cooking spray for clean edges.

Mix the dough

• Whisk flour, cornstarch, baking powder, and salt in a bowl.
• In a separate bowl, beat butter and sugar on medium speed for 2 to 3 minutes until pale and fluffy.
• Beat in egg, egg yolk, sour cream, vanilla, and almond extract until smooth.
• Add dry ingredients and mix on low just until the flour disappears. Fold in sprinkles if using.

Press and bake

• Press the dough evenly into the lined pan with a spatula or damp fingertips.
• Bake 16 to 20 minutes until the top looks set and the edges show light gold. The center should not jiggle.

Cool

• Set the pan on a rack and cool for 20 to 30 minutes until barely warm. Lift the slab out with parchment.

Make the frosting

• Beat butter until smooth. Add 2.5 cups powdered sugar, vanilla, salt, and 2 tablespoons cream.
• Beat until fluffy, then adjust with more sugar for thickness or more cream for spreadability.
• Tint with gel color if you like.

Frost and cut

• Spread frosting over the cooled bars. Add sprinkles.
• Chill for 10 minutes for cleaner cuts, then slice into 24 squares.

Timing guide

• Prep: 10 minutes
• Bake: 16 to 20 minutes
• Cool and frost: 10 to 20 minutes

Variations

• Funfetti sugar cookie bars: Fold 0.25 cup rainbow jimmies into the dough and top with extra.
• Lemon version: Add 1 tablespoon fresh lemon zest to the dough and 1 teaspoon lemon juice to the frosting.
• Chocolate chip bars: Stir in 0.5 cup mini chocolate chips and skip sprinkles.
• Browned butter: Brown the butter, chill until spreadable, then cream it with sugar for a nutty note.
• Strawberry frosting: Beat 2 tablespoons freeze-dried strawberry powder into the frosting.
• Dairy-free: Use plant butter sticks and a splash of dairy-free milk in the frosting.

Ways to Serve

• Slice small for lunch boxes or larger bakery squares for parties.
• Pair with cold milk, hot coffee, or a simple latte.
• Dress them with holiday sprinkles to match the season.
• Sandwich a scoop of vanilla ice cream between two small bars.
• Cut shapes with a metal cookie cutter after chilling the slab.

Storage

Keep unfrosted bars covered at room temp for up to 3 days. Store frosted bars in an airtight container at cool room temp for 2 days, or refrigerate up to 1 week. Freeze cut bars on a sheet pan, then wrap and store for up to 2 months. Thaw at room temp for 30 minutes, then enjoy that soft, bakery-style bite.

Ally Sanders

Easy Sugar Cookie Bars Recipe

Easy Sugar Cookie Bars Recipe delivers soft, chewy vanilla squares with light golden edges and fluffy frosting, perfect for busy families and bake sales.

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Prep Time 10 minutes mins

Cook Time 20 minutes mins

Total Time 35 minutes mins

Servings: 24

Course: Dessert

Ingredients

  

• 2 1/2 cups all-purpose flour
• 2 tablespoons cornstarch
• 1 teaspoon baking powder
• 1/2 teaspoon fine sea salt
• 3/4 cup unsalted butter, softened
• 1 cup granulated sugar
• 1 large egg
• 1 large egg yolk
• 2 tablespoons sour cream or plain Greek yogurt
• 2 teaspoons pure vanilla extract
• 1/4 teaspoon almond extract
• 2-3 tablespoons rainbow sprinkles

• 1/2 cup unsalted butter, softened
• 2 1/2-3 cups powdered sugar
• 2-3 tablespoons heavy cream or milk
• 1 teaspoon pure vanilla extract
• 1 pinch fine salt
• gel food coloring and sprinkles, for decorating

Instructions

 

1. Heat the oven to 350°F (175°C). Line a 9x13-inch metal baking pan with parchment paper, leaving overhang on two sides for lifting.
2. Lightly mist the parchment with cooking spray for clean edges.

1. In a medium bowl, whisk together the flour, cornstarch, baking powder, and salt.
2. In a large bowl, beat the softened butter and granulated sugar on medium speed for 2 to 3 minutes, until pale and fluffy.
3. Beat in the egg, egg yolk, sour cream or Greek yogurt, vanilla, and almond extract (if using) until smooth.
4. Add the dry ingredients and mix on low just until the flour disappears. Fold in sprinkles if using.

1. Press the dough evenly into the prepared pan using a spatula or damp fingertips.
2. Bake for 16 to 20 minutes, until the top looks set and the edges are lightly golden; the center should not jiggle.

1. Set the pan on a wire rack and cool for 20 to 30 minutes until barely warm.
2. Use the parchment overhang to lift the cookie bar slab out of the pan.

1. In a bowl, beat the softened butter until smooth and creamy.
2. Add 2 1/2 cups powdered sugar, vanilla, salt, and 2 tablespoons cream or milk. Beat until fluffy.
3. Adjust the consistency with more powdered sugar for thickness or more cream for spreadability. Tint with gel food coloring if desired.

1. Spread the frosting evenly over the cooled cookie bars and add sprinkles on top if you like.
2. Chill for about 10 minutes for cleaner cuts, then slice into 24 squares and serve.

Notes

Nutrition Information
Approximate per 1 bar (1/24 of recipe): 230–260 calories; fat 11 g; saturated fat 7 g; carbohydrates 33 g; fiber 0 g; sugars 22 g; protein 2 g; sodium 80 mg. Values will vary based on specific ingredients, frosting thickness, and portion size.