Easy Party Lemon Bars 9×13 Pan

Published :

November 13, 2026

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Modified :

November 13, 2026

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danyrecipes

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Easy Party Lemon Bars 9×13 Pan

Party Ready in One Bowl

When friends text “what can I bring?” this is my answer every time.

Learn more about DanyRecipes and why easy always wins. Simple steps, big smiles.

Why These Bars Make Party Planning Easy

This lemon bars recipe skips the fuss. The crust comes together in one bowl, the filling is a simple whisk, and the whole pan bakes while you set the table.

These lemon bars from scratch use basic pantry staples and a standard 9×13 pan, so there is nothing to hunt down. They are my favorite make ahead lemon dessert, and they sit happily next to my chewy thumbprint lemon curd cookies on a party spread.

Easy Pantry Ingredients

For the crust:

  • 2 cups all purpose flour
  • 1/2 cup powdered sugar, plus extra for dusting
  • 1/4 teaspoon fine salt
  • 1 cup (2 sticks) unsalted butter, melted and slightly cooled
  • 1 teaspoon vanilla extract

For the lemon filling:

  • 2 cups granulated sugar
  • 4 large eggs, at room temperature
  • 2/3 cup fresh lemon juice, strained
  • 1 tablespoon lemon zest, finely grated
  • 1/4 cup all purpose flour
  • Pinch of salt

Easy Steps to Party Perfection

STEP 1

Heat the oven to 350°F and line a 9×13 pan with parchment, leaving an overhang on two sides.

STEP 2

Stir the flour, powdered sugar, and salt together, then mix in the melted butter and vanilla until a soft dough forms, with no mixer needed.

STEP 3

Press the dough evenly into the pan and bake for 18 to 20 minutes until lightly golden.

STEP 4

Whisk the sugar, eggs, lemon juice, zest, flour, and salt in a single bowl until smooth.

STEP 5

Pour the filling over the warm crust and bake for 22 to 26 minutes until the center is just set with a slight wobble.

STEP 6

Cool on a rack, chill for at least 2 hours, then dust with powdered sugar and cut into squares.

Party Serving Ideas

  • Arrange squares on a platter with fresh berries and mint leaves.
  • Cut into small squares and set them in paper liners for easy grabbing.
  • Add my crispy shortbread lemon curd cookies to the platter for a crunchy contrast.
  • Serve with sparkling lemonade for a bright, festive pairing.
  • Bake the day before so party day is stress free.

Pro Tips

  • Use melted butter in the crust to skip cutting in butter and save time.
  • Line the pan with parchment so cleanup is a breeze.
  • Bake until the center barely wobbles, since overbaking makes the filling rubbery.
  • Chill fully before slicing for neat, party ready squares.
  • Wipe your knife between cuts for clean edges.
  • Dust with powdered sugar right before serving so it stays bright white.

Easy Party Lemon Bars

These easy party lemon bars are made from scratch with a buttery shortbread crust and a bright, tangy lemon filling. Prepared with simple pantry ingredients in one bowl, baked in a 9×13 pan, and chilled until perfectly set, they make an ideal make-ahead dessert for parties, gatherings, and celebrations.
Prep Time 15 minutes
Cook Time 45 minutes
Chilling Time 2 hours
Total Time 3 hours
Servings: 24 bars
Course: Dessert
Cuisine: American
Calories: 210

Ingredients
  

Shortbread Crust
  • 2 cups all-purpose flour
  • 1/2 cup powdered sugar plus extra for dusting
  • 1/4 tsp fine salt
  • 1 cup unsalted butter 2 sticks, melted and slightly cooled
  • 1 tsp vanilla extract
Lemon Filling
  • 2 cups granulated sugar
  • 4 large eggs at room temperature
  • 2/3 cup fresh lemon juice strained
  • 1 tbsp lemon zest finely grated
  • 1/4 cup all-purpose flour
  • 1 pinch salt

Equipment

  • 9×13-inch Baking Pan
  • Parchment paper
  • Mixing bowl
  • Whisk
  • Measuring Cups and Spoons
  • Microplane or Fine Grater
  • Cooling Rack

Method
 

  1. Preheat the oven to 350°F (175°C). Line a 9×13-inch baking pan with parchment paper, leaving an overhang on two sides for easy removal.
  2. In a mixing bowl, combine the flour, powdered sugar, and salt. Add the melted and slightly cooled butter and vanilla extract. Stir until a soft dough forms without overmixing.
  3. Press the dough evenly into the prepared baking pan. Bake for 18 to 20 minutes, until the crust is lightly golden.
  4. While the crust bakes, whisk together the granulated sugar, eggs, lemon juice, lemon zest, flour, and salt in a bowl until smooth.
  5. Pour the lemon filling over the warm baked crust. Return the pan to the oven and bake for 22 to 26 minutes, until the center is just set with a slight wobble.
  6. Transfer the pan to a cooling rack and let the bars cool. Refrigerate for at least 2 hours. Once fully chilled, dust with powdered sugar and cut into squares.

Notes

For the best results, use fresh lemon juice and finely grated lemon zest. Prepare the bars a day ahead and refrigerate overnight for easier slicing and improved flavor. Dust with powdered sugar just before serving. Store covered in the refrigerator for up to 5 days, placing parchment between layers. Freeze undusted bars for up to 2 months.
For clean, neat squares, wipe the knife between cuts. Keep the bars chilled during transport and slice and dust them just before serving. Serve with fresh berries, mint leaves, or sparkling lemonade.

FAQs

Can I make these the day before a party?
Yes, they taste even better after a night in the fridge. Dust with powdered sugar just before serving.

Why use melted butter in the crust?
It mixes in seconds with no cutting or chilling. The crust turns out slightly denser and chewier, which holds up well for easy slicing.

How do I transport the bars?
Keep them in the pan, covered tightly, and chilled until you leave. Slice and dust once you arrive for the prettiest presentation.

Can I use bottled lemon juice?
Fresh juice gives the brightest flavor, so I recommend it. If you must use bottled, choose a pure, not from concentrate variety.

How do I store leftovers?
Cover and refrigerate for up to 5 days, with parchment between layers. Freeze undusted bars for up to 2 months.

Easy, Sweet, and Ready to Share

There is nothing better than a dessert that looks impressive and takes almost no effort. I hope this pan makes your next party a little sweeter. For more citrus treats, try my melt in your mouth lemon curd cookies, the 5 ingredient glazed lemon curd cookies, or the zesty drop lemon curd cookies.