Crumbly Lemon Squares

Featured in Sweet Treats to Satisfy Any Craving.

Quickly bake chewy oat bars with almonds and honey. Press mixture into a pan, bake till firm, and enjoy all week.
Barbara Chef
Updated on Thu, 17 Apr 2025 22:26:52 GMT
Crumbly Lemon Squares Pin it
Crumbly Lemon Squares | cookwithcarla.com

Tangy lemon scent mixes with butter sweetness in these mouthwatering Lemon Crumb Bars. Every piece offers a wonderful mix of textures - a soft, rich base, covered with zesty citrus filling and topped with a golden crumble that dissolves on your tongue. This hand-me-down treat, shared through family generations, turns basic kitchen items into a dessert that tastes like captured sunshine.

These squares have become what I always bring to family events. The way the citrus balances the buttery topping always takes me back to bright days in my grandma's cooking space. Even my kid, who says lemon sweets aren't her thing, can't help grabbing extra pieces.

Key Ingredients:

  • All-Purpose Flour: Go with unbleached for a soft, light texture that won't fall apart
  • Old-Fashioned Rolled Oats: They add that wonderful chunky texture - don't use quick oats as they'll turn soggy
  • Fresh Lemons: Needed for both peel and juice; they carry natural oils giving that real citrus kick you won't get from bottles
  • Unsalted Butter: Needs to be soft at room temp for the right crumbly feel; salted versions can overpower the taste
  • Sweetened Condensed Milk: Makes the filling velvety smooth while adding extra flavor depth

How To Make Them:

Mix all dry stuff together first
- this spreads everything evenly and stops you from mixing too much later
When making the crumble part,
use your fingers to mix butter into the flour until it looks like rough sand
Push the bottom layer down firmly but carefully
- push too hard and it gets tough, too soft and it falls apart
While the bottom cooks a bit,
stir your lemon mix until it's totally smooth with no egg streaks
Pour the filling gently onto the warm base
to keep it even
Drop the leftover crumble in random clumps
for that homemade look everyone loves
Look for gold-brown edges with a tiny wobble in the middle
- that's when you know they're just right
Lemon Crumb Bars Recipe Pin it
Lemon Crumb Bars Recipe | cookwithcarla.com

When I was little, my mom always told me the trick to amazing lemon bars was how you scrape the peel. She showed me to softly take just the yellow part, leaving the bitter white stuff behind. This tiny trick makes all the difference for that bright, clean lemon taste.

Ways To Serve:

These treats taste best when slightly cool. The cooler temp helps them hold shape and makes the lemon flavor pop more. For a fancy look, sprinkle some powdered sugar right before bringing them out, watching as it slowly sinks into the crumbly top.

Fixing Common Problems:

Got filling that's too liquid? Toss in another egg yolk to thicken it up. If your crumble feels too dry, add a spoon of melted butter. Always put parchment paper in your pan with extra hanging over the sides for easy lifting - this stops any sticking problems.

Keeping Them Fresh:

Stack the bars with parchment paper between layers in a sealed container. They'll stay perfect in the fridge for about five days, though at my house they vanish much faster. Want to save them longer? Wrap single pieces and freeze them for up to three months.

Expert Baking Tricks:

Press a lemon hard against the counter before squeezing to get more juice

Let the bars cool completely before cutting for neat, clean edges

Use a warm knife (dipped in hot water then dried) for the cleanest cuts

Delicious Lemon Crumb Bars Recipe Pin it
Delicious Lemon Crumb Bars Recipe | cookwithcarla.com

These Lemon Crumb Bars aren't just food in my kitchen - they're a family custom. The zingy citrus taste, buttery topping, and smooth filling come together in something truly special. Whether you've baked for years or just started, these bars always turn out great. They show how sometimes the easiest combinations make treats nobody forgets.

Frequently Asked Questions

→ How should I store them?
Keep them in a sealed container at room temp for 7 days or pop them in the freezer for up to 3 months.
→ Can I swap out the almonds?
Sure thing! Use walnuts, pecans, or even cashews, but stick to the same total amount.
→ Why are they crumbling?
Press the mix firmly into the pan and wait until it’s completely cool before slicing.
→ Is there a vegan option?
Yep! Use maple syrup instead of honey and swap butter with coconut oil.
→ Are these gluten-free?
They are if you use certified gluten-free oats—everything else is naturally free of gluten.

Lemon Crumb Bars

Homemade chewy bars filled with oats, almonds, and honey. A delicious snack for morning boosts or afternoon cravings.

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

Category: Desserts

Difficulty: Intermediate

Cuisine: American

Yield: 6 Servings (16 bars)

Dietary: Vegetarian

Ingredients

→ Dry Ingredients

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

→ Sweeteners

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

→ Liquid Blend

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

→ Lemon Layer

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

Instructions

Step 01

Heat your oven to 350°F (175°C) and coat an 8x8-inch pan with nonstick spray.

Step 02

In a big bowl, toss together the oats, flour, baking soda, and salt.

Step 03

Mix in both the granulated sugar and brown sugar.

Step 04

Pour in the melted butter and vanilla, then stir until everything is evenly blended.

Step 05

Firmly press half of the mix into the bottom of your prepared pan.

Step 06

Pop it in the oven for 15 minutes.

Step 07

As the base cooks, whisk together the lemon zest, egg yolks, lemon juice, and condensed milk.

Step 08

After the crust is baked, pour the lemon filling on top. Sprinkle the rest of the crumble mix evenly across the surface.

Step 09

Bake again for about 20–22 minutes, until the top gets a light golden color.

Step 10

Set the pan aside to cool fully, then refrigerate until firm.

Notes

  1. For cleaner cuts, chill or freeze the bars briefly before slicing.
  2. Optional twist: Dip chilled bars halfway in melted white chocolate, then refrigerate so the chocolate hardens.

Tools You'll Need

  • 8x8-inch pan
  • Large bowl
  • Measuring tools
  • Whisk

Allergy Information

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