Lemon Crumb Bars

Featured in Decadent Desserts.

Quick 30-minute granola bars combining oats, honey, and almonds. Mix ingredients, press into pan, bake until golden, and enjoy these chewy breakfast bars all week.
Sarah
Updated on Sat, 25 Jan 2025 14:49:11 GMT
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The aroma of fresh lemons mingles with buttery sweetness in these irresistible Lemon Crumb Bars. Each square delivers the perfect balance of textures - a tender, buttery base, topped with bright citrus filling and crowned with a golden crumble that melts in your mouth. This family recipe, passed down through generations, transforms simple pantry ingredients into a dessert that tastes like sunshine in every bite.

These bars have become my go-to dessert for family gatherings. The way the citrus cuts through the richness of the buttery crumble reminds me of sunny afternoons in my grandmother's kitchen. Even my daughter, who claims she doesn't like lemon desserts, can't resist sneaking an extra piece.

Essential Ingredients:

  • All-Purpose Flour: Choose unbleached flour for a tender, delicate crumb structure that holds its shape
  • Old-Fashioned Rolled Oats: Their hearty texture creates that perfect rustic crumble - avoid quick oats which can become mushy
  • Fresh Lemons: Essential for both zest and juice; their natural oils provide that authentic citrus flavor you can't get from bottled juice
  • Unsalted Butter: Must be at room temperature for that perfect crumbly texture; salted butter can make the bars too salty
  • Sweetened Condensed Milk: Creates a silky smooth filling while adding richness and depth of flavor

Step-by-Step Instructions:

Precisely measure and mix your dry ingredients first
- this ensures even distribution of leavening agents and prevents overmixing later
When preparing the crumble,
use your fingertips to work the butter into the flour mixture until it resembles coarse sand
Press the base layer firmly but gently
- too much pressure will make it tough, too little and it'll crumble
While the base prebakes,
whisk your lemon filling until completely smooth to avoid any eggy streaks
Pour the filling slowly over the hot crust
to prevent tunneling
Sprinkle the remaining crumble in irregular chunks
for that homemade look
Watch for golden brown edges and a slight jiggle in the center
- that's your signal for perfect doneness
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Growing up, my mother always said the secret to perfect lemon bars was in the zesting technique. She taught me to gently scrape only the yellow part of the peel, leaving behind the bitter white pith. This small detail makes all the difference in achieving that bright, clean citrus flavor.

Serving Suggestions:

These bars shine brightest when served slightly chilled. The cool temperature helps maintain their structure while intensifying the lemon flavor. For an elegant presentation, dust them with powdered sugar just before serving, watching it melt slightly into the crumble top.

Troubleshooting Tips:

If your filling seems too runny, add an extra egg yolk to help it set. For a crumble that's too dry, incorporate an extra tablespoon of melted butter. Always line your pan with parchment paper, leaving overhang for easy removal - this prevents any sticking issues.

Storage Success:

Layer the bars between sheets of parchment paper in an airtight container. They'll maintain their perfect texture in the refrigerator for up to five days, though they rarely last that long in my house. For longer storage, freeze individually wrapped pieces for up to three months.

Professional Chef Tips:

Roll a lemon firmly on the counter before juicing to release maximum juice

Chill the bars completely before cutting for clean, professional-looking squares

Use a hot knife (dipped in hot water and dried) for the smoothest cuts

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These Lemon Crumb Bars have become more than just a recipe in my kitchen - they're a cherished tradition. The bright citrus flavor, buttery crumble, and silky filling create something truly magical. Whether you're an experienced baker or just starting out, these bars never fail to impress. They're proof that sometimes the simplest combinations make the most memorable desserts.

Frequently Asked Questions

→ How long do these granola bars last?
Store in an airtight container at room temperature for up to 1 week, or freeze for up to 3 months.
→ Can I use different nuts?
Yes! Try pecans, walnuts, or cashews instead of almonds. Just keep the total amount the same.
→ Why are my bars falling apart?
Make sure to press the mixture very firmly into the pan and let them cool completely before cutting.
→ Can I make these bars vegan?
Replace honey with maple syrup and use coconut oil instead of butter for a vegan version.
→ Are these bars gluten-free?
Use certified gluten-free oats to make them gluten-free. All other ingredients are naturally gluten-free.

Classic Honey Almond Granola Bars

Chewy granola bars made with honey, oats, and almonds. A perfect homemade treat for breakfast or afternoon snacks.

Prep Time
15 Minutes
Cook Time
37 Minutes
Total Time
52 Minutes

Category: Sweet Treats

Difficulty: Intermediate

Cuisine: American

Yield: 6 Servings (16 bars)

Dietary: Vegetarian

Ingredients

→ Dry Mix

01 1¼ cups all-purpose flour
02 1¼ cups old-fashioned rolled oats
03 ½ teaspoon salt
04 ½ teaspoon baking soda

→ Sugars

05 ½ cup granulated sugar
06 ½ cup packed light brown sugar

→ Wet Ingredients

07 ¾ cup unsalted butter, melted
08 1 teaspoon vanilla extract

→ Lemon Filling

09 1 (14 oz) can sweetened condensed milk
10 2 tablespoons finely grated lemon zest
11 ½ cup fresh lemon juice
12 2 large egg yolks

Instructions

Step 01

Preheat the oven to 350°F (175°C) and grease an 8x8-inch baking pan with baking spray

Step 02

In a large bowl, combine the flour, oats, salt, and baking soda

Step 03

Stir in the granulated sugar and brown sugar

Step 04

Mix the melted butter and vanilla extract, then add them to the dry ingredients. Stir until well combined

Step 05

Press half of the mixture firmly into the bottom of the prepared pan

Step 06

Bake for 15 minutes

Step 07

While the crust is baking, whisk together the condensed milk, lemon zest, lemon juice, and egg yolks

Step 08

Once the crust is done, pour the lemon filling over it. Sprinkle the remaining crumble mixture evenly over the top

Step 09

Bake for an additional 20–22 minutes, until lightly golden

Step 10

Allow the bars to cool completely, then refrigerate until firm

Notes

  1. For cleaner slices, chill the bars thoroughly or freeze briefly before cutting
  2. Optional: Dip the bottom half of frozen bars in melted white chocolate and refrigerate until set

Tools You'll Need

  • 8x8-inch baking pan
  • Large mixing bowl
  • Measuring cups and spoons
  • Whisk

Allergy Information

Please check ingredients for potential allergens and consult a health professional if in doubt.
  • Contains dairy
  • Contains eggs
  • Contains gluten