Desserts > Dessert Techniques > Chilling & Freezing Techniques > Chilling No-Bake Desserts (Proper Setting)

No-Bake Lemon Bars: Achieving the Perfect Set

A guide to ensuring your no-bake lemon bars set perfectly, with tips on chilling time, ingredient ratios, and temperature control for a delightful, tangy treat.

Prep Time
20 minutes
Cook Time
0 minutes
Servings
12-16
Ingredients
  • 200 g Graham crackers
  • 100 g Unsalted butter, melted
  • 400 g Sweetened condensed milk
  • 120 ml Lemon juice, freshly squeezed
  • 2 tsp Lemon zest
  • optional Powdered sugar, for dusting

Crust Preparation

Finely crush the graham crackers. Combine the graham cracker crumbs with melted butter and mix well. Press the mixture into the bottom of an 8x8 inch baking pan lined with parchment paper. This makes it easier to lift the bars out later. Firmly press the crust to ensure it's compact. Place the pan in the freezer for 10 minutes to help set the crust.

Lemon Filling

In a large bowl, combine the sweetened condensed milk, lemon juice, and lemon zest. Whisk until the mixture is smooth and slightly thickened. It's important to use fresh lemon juice for the best flavor and setting properties. The acid in the lemon juice is what helps to set the filling.

Assembling the Bars

Pour the lemon filling evenly over the prepared graham cracker crust. Smooth the top with a spatula. Cover the pan with plastic wrap, being careful not to touch the surface of the filling.

The Importance of Proper Chilling

Chill the lemon bars in the refrigerator for a minimum of 4 hours, but preferably overnight (8-12 hours). This is crucial for the filling to set properly. The lemon juice needs time to react with the sweetened condensed milk and create a firm, sliceable texture. Avoid the temptation to cut into them too early, as they will be too soft.

Factors Affecting Setting

The acidity of the lemon juice plays a critical role in setting. Using bottled lemon juice may not provide the same results as fresh lemon juice. Ensure the sweetened condensed milk is not expired, as its properties can change over time. A stable refrigerator temperature is also important; avoid frequent opening of the refrigerator door during the chilling process.

Cutting and Serving

Once the lemon bars are fully chilled, lift them out of the pan using the parchment paper overhang. Cut into squares using a sharp knife. Dust with powdered sugar before serving, if desired. Store leftover lemon bars in the refrigerator.

Nutrition Facts Estimated per Bar (1/12 of recipe)

Note: Nutritional information is an estimate and can vary based on specific ingredients used. Calories: 200-250 kcal, Protein: 3-4g, Fat: 8-10g, Carbohydrates: 30-35g.

Important Considerations for Nutrition

These lemon bars are relatively high in sugar and fat due to the sweetened condensed milk and butter. Consume in moderation. Consider reducing the amount of butter in the crust or using a sugar substitute in the powdered sugar dusting to reduce the calorie content.

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FAQ

  • Why are my no-bake lemon bars still liquid after chilling?

    The most likely reason is insufficient chilling time. Make sure you chill them for at least 4 hours, preferably overnight. Also, ensure you are using fresh lemon juice, as it has a higher acidity level which aids in setting. Check the expiration date of your sweetened condensed milk.
  • Can I freeze no-bake lemon bars?

    Yes, you can freeze no-bake lemon bars. Cut them into individual squares, wrap them tightly in plastic wrap, and then place them in a freezer-safe container. They can be stored in the freezer for up to 1-2 months. Thaw in the refrigerator overnight before serving.
  • What if I don't have parchment paper?

    If you don't have parchment paper, you can grease the baking pan thoroughly with butter or cooking spray. However, using parchment paper makes it much easier to lift the bars out of the pan cleanly.