Mom's Best Recipes
Recipe

Festive Lemon Bar Recipe

Bright, silky, and creamy lemon bars with a buttery shortbread crust and a smooth citrus filling that sets up like a dream.

Author By Matt Campbell
4.8
A tray of lemon bars with powdered sugar on top, cut into neat squares on parchment paper

Lemon bars are the dessert equivalent of opening the curtains on a gray day. They are sunny, sharp, and somehow still cozy. This festive version keeps the classic buttery shortbread base, but the filling leans extra silky and creamy thanks to a little dairy and a gentle bake that avoids that rubbery texture.

These are the bars I bring when I want something that feels special without turning my kitchen into a stress zone. They slice clean, travel well, and that powdered sugar top makes them look like you actually had your life together when you made them. Spoiler: you can absolutely make them in sweatpants.

Close-up of a lemon bar showing the creamy yellow filling and crisp shortbread crust

Why It Works

  • Crisp, buttery crust: Pre-baking the shortbread gives you that clean snap at the bottom instead of a soggy situation.
  • Silky, creamy lemon layer: Lemon juice, zest, and a touch of dairy make the filling smooth and lush.
  • Bright flavor without bitterness: Lemon zest brings aroma and punch, while careful baking keeps the citrus tasting fresh.
  • Neat slices: A full chill plus a powdered sugar finish means picture-worthy squares with minimal crumbling.

Pairs Well With

Storage Tips

Keep Them Fresh

  • Fridge: Store bars in an airtight container for up to 5 days. I like placing parchment between layers so the tops stay pretty. Note: the crust can soften a bit and the filling may weep slightly over time, but they are still very good.
  • Powdered sugar timing: For the cleanest look, dust with powdered sugar right before serving. In the fridge it can dissolve a bit.
  • Freeze: Freeze sliced bars (no powdered sugar) in a single layer until firm, then transfer to a freezer bag or container. They keep well for up to 2 months.
  • Thaw: Thaw in the refrigerator overnight or at room temperature for about 30 to 60 minutes, then dust with powdered sugar.

Allergen note: Contains gluten, dairy, and eggs.

Common Questions

Common Questions

How do I know the lemon layer is done?

The center should look set and not liquidy when you gently jiggle the pan. A tiny wobble is fine. It will finish setting as it cools.

Can I use bottled lemon juice?

You can, but fresh lemon juice and zest taste brighter and less flat. If you are going festive, fresh is worth it.

Why did my filling crack?

Usually it is from over-baking or a too-hot oven. Pull the bars when the center is just set, and let them cool gradually at room temperature before chilling.

Can I make these ahead?

Yes. Lemon bars are a fantastic make-ahead dessert. Make them the day before, chill overnight, and dust with powdered sugar right before serving.

Do I have to strain the filling?

Not required, but if you want a super smooth, bakery-style texture, straining is a quick upgrade.

I love big cooking projects, but dessert is where I want the least drama and the most payoff. Lemon bars hit that sweet spot. I started making them when I needed a reliable bring-along for gatherings where everyone is already overloaded on heavy sweets. The first time I nailed the crust crispness and got the filling creamy instead of stiff, I caught myself doing the most obnoxious thing: standing at the counter, eating a corner piece, nodding like I was judging a cooking competition. That is when you know it is a keeper.