A baking pan filled with lemon barsA baking pan filled with lemon bars

Lemon bars are the perfect treat for citrus lovers. Tangy and sweet, these bars are both refreshing and satisfying. If you’re new to baking and unsure where to start, fear not. We’ve got you covered with our step-by-step guide on how to cook lemon bars using a baking pan. Keep reading to learn about the history of lemon bars, essential ingredients, baking pan selection, and much more.

The history and origin of lemon bars

The origin of lemon bars is somewhat of a mystery. Some say they’ve been around since the 1800s, while others credit the invention to the Midwestern United States in the early 1900s. Regardless of their origins, lemon bars are now a staple in many households and bakeries around the world. The recipe typically consists of a shortbread crust and a lemony custard filling, all baked together to form a delicious treat that can be enjoyed as a dessert or snack.

Interestingly, lemon bars were not always known by that name. In the early 1900s, they were often referred to as “lemon squares” or “lemon slices.” It wasn’t until the mid-20th century that the term “lemon bars” became more widely used. Today, there are many variations of the classic lemon bar recipe, including versions with added ingredients like coconut or raspberry. Despite the variations, the tangy and sweet flavor of lemon bars remains a favorite among many dessert lovers.

Essential ingredients for making lemon bars

When it comes to baking lemon bars, the ingredients are key. Quality ingredients can take your bars from good to great. Here are a few essentials:

  • All-purpose flour
  • Granulated sugar
  • Butter
  • Eggs
  • Lemons (for both juice and zest)
  • Cornstarch
  • Baking powder
  • Salt

Make sure to use fresh lemons as opposed to bottled lemon juice. Fresh lemons provide a brighter, more intense flavor that will make your bars stand out.

Another important ingredient to consider is the type of butter you use. Unsalted butter is recommended for this recipe, as it allows you to control the amount of salt in the bars. Additionally, make sure the butter is at room temperature before using it in the recipe. This will ensure that it mixes well with the other ingredients and creates a smooth, creamy texture.

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Choosing the right baking pan for your lemon bars

The type of baking pan you use can affect the outcome of your lemon bars. It’s best to use a metal baking pan, preferably non-stick, with a measurement of 9×13 inches. If you don’t have a non-stick pan, you can line it with parchment paper to ensure easy removal and prevent sticking.

Another important factor to consider when choosing a baking pan for your lemon bars is the depth of the pan. A shallow pan may cause the lemon bars to overcook and become dry, while a deep pan may result in undercooked and gooey bars. It’s recommended to use a pan with a depth of at least 2 inches to ensure even baking and a perfect texture.

Preparing your baking pan for lemon bars

Before you start making your lemon bars, it’s crucial to prepare your baking pan correctly. Grease the pan with butter or baking spray, make sure to cover the sides, and then line it with parchment paper. The parchment paper will help remove your bars from the pan after they are baked and cooled. This step may seem unnecessary, but it will save you time and hassle when it’s time to cut and serve your lemon bars.

Another important tip for preparing your baking pan is to choose the right size. If your pan is too small, the lemon bars will be too thick and may not cook evenly. On the other hand, if your pan is too large, the bars may be too thin and dry out quickly. A 9×13 inch pan is a good size for most lemon bar recipes.

Additionally, you can add a layer of graham cracker crumbs to the bottom of the pan before pouring in the lemon bar mixture. This will add a delicious crunch to the bars and prevent them from sticking to the bottom of the pan. Simply mix together graham cracker crumbs, melted butter, and a pinch of sugar, and press the mixture into the bottom of the pan before adding the lemon bar filling.

Step-by-step instructions for making lemon bars

Now that you have your essential ingredients and tools ready let’s get started with the recipe:


  • 1 1/2 cups All-purpose flour
  • 1/2 cup Granulated sugar
  • 3/4 cup Butter, room temperature
  • 4 Large eggs
  • 1 1/2 cups Granulated sugar
  • 1/4 cup All-purpose flour
  • 1/2 cup Lemon juice
  • 2 tsp Lemon zest, finely grated
  • 1/4 tsp Salt
  • 1/2 tsp Baking powder
  • 2 Tbs Cornstarch


  1. Preheat your oven to 350°F (175°C).
  2. In a medium bowl, mix 1 1/2 cups all-purpose flour and 1/2 cup granulated sugar. Add 3/4 cup room temperature butter and mix until the mixture forms a dough.
  3. Press the dough evenly into the bottom of the prepared baking pan.
  4. Bake for 20-25 minutes until the crust is light brown. Remove it from the oven, and let it cool for a few minutes.
  5. In another medium bowl, whisk 4 large eggs, 1 1/2 cups granulated sugar, 1/4 cup all-purpose flour, 1/2 cup lemon juice, 2 tsp finely grated lemon zest, 1/4 tsp salt, 1/2 tsp baking powder, and 2 Tbs cornstarch until smooth.
  6. Pour the mixture onto the cooled crust, returning it to the oven.
  7. Bake for 25 minutes until the custard is set and no longer jiggles in the center.
  8. Remove it from the oven and let it cool to room temperature.
  9. Once cooled, dust the top with powdered sugar (optional).
  10. Using the lined parchment paper in the baking pan, lift the bars and place them on a cutting board or a plate. Cut them into squares and serve.
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Here are some additional tips to make your lemon bars even more delicious:

  1. For a more intense lemon flavor, add an extra tablespoon of lemon zest to the filling mixture.
  2. If you prefer a thicker crust, double the crust recipe and press half of it into the bottom of the baking pan before baking.

And here’s a fun fact about lemon bars:

The origin of lemon bars is unclear, but they are believed to have originated in the United States in the early 20th century. They became popular in the 1960s and 1970s, and are now a classic dessert in many American households.

Tips and tricks for achieving perfect lemon bars every time

Here are some tips and tricks to help you achieve perfectly baked lemon bars:

  • Use fresh ingredients for the best flavor.
  • Don’t skip the parchment paper – it will save you time and prevent your bars from sticking to the pan.
  • Allow your bars to cool entirely before cutting them to ensure that they hold their shape.
  • For added flavor, serve your lemon bars with whipped cream or a scoop of vanilla ice cream.

Another important tip for achieving perfect lemon bars is to use a glass baking dish. Glass conducts heat more evenly than metal, which can result in more consistent baking and a more evenly cooked lemon bar. Additionally, be sure to zest your lemons before juicing them – the zest contains essential oils that will give your bars a more intense lemon flavor. Happy baking!

How to add a unique twist to your lemon bar recipe

For a unique twist on traditional lemon bars, try incorporating different herbs or fruits into your recipe. A popular variation is to add lavender to the shortbread crust, or a mix of berries to the custard filling. You can also try using a different type of citrus, such as limes or blood oranges, in place of the lemons.

Another way to add a unique twist to your lemon bars is to experiment with different toppings. Instead of the traditional dusting of powdered sugar, try topping your bars with a dollop of whipped cream or a drizzle of honey. You can also sprinkle chopped nuts or coconut flakes on top for added texture and flavor. Don’t be afraid to get creative and try out different combinations until you find the perfect twist for your lemon bars!

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Decorating and serving suggestions for your lemon bars

When it comes to serving your lemon bars, the options are endless. Here are a few suggestions:

  • Dust the top with powdered sugar for an elegant presentation.
  • Garnish with fresh fruit or herbs for added flavor and color.
  • Add a dollop of whipped cream on top for extra creaminess.
  • Serve with a warm cup of tea or coffee for a perfect afternoon snack.

Common mistakes to avoid when making lemon bars

Here are some common mistakes to watch out for when making lemon bars:

  • Overmixing the shortbread crust. Overmixing it will result in a tough crust.
  • Overbaking the bars. Overbaking can dry out the custard filling, leading to cracked or crumbly bars.
  • Not cooling the bars entirely before cutting them. This can cause them to lose their shape and become a mess when you try to remove them from the pan.

How to store and preserve your lemon bars

If stored correctly, lemon bars can last up to three days at room temperature and up to a week in the refrigerator. Store them in an airtight container or wrap them tightly with plastic wrap.

Lemon bar recipe variations for gluten-free, vegan, or low-carb diets

For those with dietary restrictions, there are still ways to enjoy delicious lemon bars. Here are a few recipe variations you can try:

  • Gluten-free: Substitute the all-purpose flour in the recipe with a gluten-free flour blend (e.g. almond flour, coconut flour, etc.).
  • Vegan: Substitute the butter with a vegan option (e.g. coconut oil) and use a flax egg in place of the eggs.
  • Low-carb: Substitute the granulated sugar with a low-carb sweetener (e.g. stevia, erythritol) and use almond flour instead of all-purpose flour for the crust.

Frequently asked questions about making lemon bars

Here are some frequently asked questions when it comes to making lemon bars:

  • Can I use bottled lemon juice instead of fresh? While you could, it’s not recommended since fresh ingredients provide better flavor.
  • Can I freeze lemon bars? Yes, you can freeze lemon bars. Make sure to wrap them tightly in plastic wrap or put them in a freezer-safe container. When you’re ready to eat them, let them thaw in the refrigerator overnight.
  • What if I don’t have a 9×13 inch baking pan? If you don’t have a pan of this size, you can adjust the recipe by using a different size pan. Keep in mind that changing the size of your pan can affect the baking time and the thickness of your bars.

Expert tips from professional pastry chefs on making the perfect lemon bars

Here are some expert tips from professional pastry chefs:

  • Maureen Rubino, Executive Pastry Chef at Delaware North Companies recommends using a microplane to zest your lemons for the perfect texture.
  • Pastry Chef Catherine Pantsios suggests lining your baking pan with plastic wrap before adding the shortbread crust. This will make it easier to remove the bars from the pan once they are baked.
  • Pastry Chef Kim Boyce advises using a kitchen scale to measure your ingredients, especially the flour, to ensure the perfect texture and consistency.

Now that you know everything you need to make the perfect lemon bars, get baking! Whether you’re baking for a special occasion or craving a little something sweet, these bars are a guaranteed crowd-pleaser that will leave everyone licking their fingers and asking for more.

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