Tangy Martha Stewart Squares

Featured in Sweet Treat Sensations.

Layer a buttery crust, bake, cover with lemon mix made with eggs, milk, and juice, then bake again. Let it cool, slice, and sprinkle some sugar.
Ranah
Updated on Sun, 23 Mar 2025 13:55:46 GMT
Lemon Squares by Martha Stewart Pin it
Lemon Squares by Martha Stewart | chefemmakitchen.com

Zingy, zesty lemon topping sits on a rich, crumbly base in these wonderful treats that nail the sweet-sour combo perfectly. You'll love how the crispy bottom contrasts with the smooth top layer, making a cool dessert that brings a bit of happiness to any table. These treats show off simple elegance, needing just a few everyday items to make something really special.

I stumbled across this gem many moons ago while hunting for the ideal dessert for my kid's outdoor party. After testing tons of versions, this one became our go-to family favorite, earning a forever spot in our collection. Even my super picky mother-in-law, who barely ever says nice things, asked me for the recipe.

Essential Crust Elements

  • Unsalted Butter: Go for good quality butter that's soft and room temp for the yummiest, most tender base.
  • Confectioners' Sugar: Makes a softer texture than regular sugar would give you.
  • All-Purpose Flour: Scoop it gently into cups and level off for best results every time.
  • Salt: A little bit helps bring out flavors and balances the sweetness, even in desserts.

Creamy Filling Components

  • Egg Yolks: They make a thick, pudding-like filling with a gorgeous yellow look.
  • Sweetened Condensed Milk: Adds sweetness and smooth texture without needing to use any heavy cream.
  • Fresh Lemon Juice: Always squeeze your own lemons for the freshest, most real taste.

Making Awesome Lemon Treats

Base Building:
Start with soft butter for better mixing with sugar. Don't overwork the dough once you add flour or it'll get tough, then push it gently into your pan without pressing too hard.
Filling Magic:
Beat egg yolks really well before adding other stuff for a super smooth filling. The mix will get thicker when you add lemon juice to the milk mixture - that's exactly how it should look before baking.
Baking Tips:
Keep an eye on the crust during the first bake to get it golden without burning. The filling should look firm but still wiggle slightly in the middle when done.
Cooling Tricks:
Let treats cool all the way at room temp before putting in the fridge. This slow cooling stops water drops forming on top and helps get the texture just right.
Classic Lemon Squares Recipe Pin it
Classic Lemon Squares Recipe | chefemmakitchen.com

When I was little, my grandma had a lemon tree in her yard. Every spring, we'd pick the brightest lemons and spend the afternoon making these treats. She showed me that rolling the lemons on the counter before juicing them gets more of their oils out, making the dessert taste even better.

Amazing Presentation

Show off these pretty treats on a white dish with a light sprinkle of powdered sugar. For fancy times, add thin lemon slices and fresh mint for decoration. Serve them a bit cold for the best taste experience.

Tasty Twists

Change up these classic treats by adding some fresh blueberries to the filling before baking, making pretty spots of color and flavor. For a more interesting citrus taste, mix your lemon juice with lime or even fancy blood orange juice.

Keeping Them Fresh

Store these goodies in the fridge in a sealed container, with paper between layers so they don't stick together. They stay good for about three days, though at my house they're usually gone way before that.

Throughout my baking journey, I've found that the easiest desserts often leave the biggest mark on people. These lemon treats, with their spot-on mix of flavors and textures, have shown up at so many family parties. From casual get-togethers to fancy dinner parties, they always make guests happy with their bright taste and pretty look. The secret is using good stuff and paying attention to the little things - showing that sometimes, old favorites really can't be beaten.

Delicious Lemon Squares Pin it
Delicious Lemon Squares | chefemmakitchen.com

Frequently Asked Questions

→ Could I use ready-made lemon juice?
Fresh lemons make it taste way better, but bottled lemon juice works too. The flavor just won't pop as much.
→ Why's my crust so hard?
It was likely overbaked or mixed too much. Combine just until it holds and bake carefully.
→ Is it okay to prepare these early?
Totally! Store in the fridge for 3 days max. For cleaner cuts, slice right before serving.
→ Why won’t my topping firm up?
It could need extra baking or cooling time. Make sure the filling feels set before slicing.
→ Can these be frozen?
Yeah, wrap them tightly and freeze for a month. Thaw in the fridge and sprinkle new sugar before enjoying.

Martha Stewart Lemon Squares

A golden shortbread base with a tangy lemon topping. Martha's easy instructions give you that perfect sweet-tart combo.

Prep Time
15 Minutes
Cook Time
45 Minutes
Total Time
60 Minutes
By: emma

Category: Desserts

Difficulty: Intermediate

Cuisine: American

Yield: 16 Servings (16 squares)

Dietary: Vegetarian

Ingredients

→ For the Crust

01 1 cup all-purpose flour, leveled and spooned
02 1/4 teaspoon salt
03 1/2 cup powdered sugar, save extra for topping
04 1/2 cup (1 stick) unsalted butter, softened

→ For the Filling

05 3/4 cup fresh-squeezed lemon juice (roughly 3 lemons)
06 4 large egg yolks
07 1 can (14 ounces) sweetened condensed milk

Instructions

Step 01

Turn your oven to 350°F. Coat an 8-inch square pan with butter, line it with parchment paper letting the sides hang over, and butter the paper too.

Step 02

Mix butter, powdered sugar, and salt until creamy and smooth. Add the flour and mix just enough to bring it together. Push the dough into the bottom of the pan and up the sides by about 1/2 inch. Poke holes with a fork and bake for 15-20 minutes, until edges start to turn golden.

Step 03

Stir together the egg yolks, condensed milk, and lemon juice until the mixture looks combined. Pour this over the warm crust.

Step 04

Put the pan back in the oven and bake for another 25-30 minutes or until the filling is set.

Step 05

Leave to cool completely in the pan. Then transfer to the refrigerator for at least 2 hours to firm up.

Step 06

Use the parchment paper to lift out the dessert. Slice it into 16 pieces and sprinkle with powdered sugar right before you eat.

Notes

  1. Fresh lemon juice makes the flavor pop
  2. Avoid overmixing the crust dough so it stays tender
  3. Store these bars in the fridge for up to 3 days

Tools You'll Need

  • Square baking pan (8-inch)
  • Parchment paper sheets
  • Electric beater
  • Bowls for mixing

Allergy Information

Please check ingredients for potential allergens and consult a health professional if in doubt.
  • Includes dairy (butter, condensed milk)
  • Eggs are present
  • Contains gluten from wheat flour