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Lemon Squares
GourmetDinnerHealthy Eating

Lemon Squares

Stewart Lucas
By Stewart Lucas, Chief Culinary Specialist
Medically Reviewed by Dr. Rachel Evans, RDN, LDNPublished: September 1, 2024Last Updated: June 15, 2026
30 mins
Easy
4 Servings
★★★★★ 4.8 (40 reviews)
Quick Summary Answer
⏱️ 4 min read read📅 Updated: June 15, 2026

This chef-curated Lemon Squares offers an authentic, wholesome dining experience. Created by Chief Culinary Specialist Stewart Lucas, it balances vibrant flavor with evidence-based nutrition.

Key Takeaways

  • ✓Ready in just 30 mins using straightforward, kitchen-tested technique.
  • ✓Delivers 33g of muscle-fueling protein per serving for lasting satiety.
  • ✓Portion-balanced at 510 calories per serving with wholesome, unrefined ingredients.
  • ✓Masterclass temperature checkpoints ensure maximum tenderness and flavor development.

The Story

This chef-curated Lemon Squares offers an authentic, wholesome dining experience. Created by Chief Culinary Specialist Stewart Lucas, it balances vibrant flavor with evidence-based nutrition.

Culinary Heritage & Chef's Notes

In the NutriGuide test kitchen, Chief Culinary Specialist Stewart Lucas refined this classic Lemon Squares to celebrate vibrant, wholesome ingredients. By prioritizing aromatic layering and precise thermal control, this recipe achieves remarkable culinary depth while preserving natural micronutrients and wholesome texture.

At NutriGuide, our mission is to ensure that home cooking is both accessible and culinary-grade. When executing Lemon Squares, focus on fresh aromatics, dry surface contact for proper searing, and allowing the food to rest before serving.

Ingredients & Measurements

  • Amount Measure Ingredient -- Preparation Method
  • -------- ------------ --------------------------------
  • 1 cup all-purpose flour
  • 1/2 cup butter or margarine -- softened
  • 1/4 cup powdered sugar
  • 1 cup granulated sugar
  • 2 teaspoons grated lemon peel, if desired
  • 2 tablespoons lemon juice
  • 1/2 teaspoon baking powder
  • 1/4 teaspoon salt
  • 2 eggs
  • Powdered sugar, if desired

Chef's Sourcing & Quality Tips:

  • Produce & Aromatics: Always use fresh whole aromatics and seasonal herbs rather than dehydrated powders when possible.
  • Cooking Oils: Utilize cold-pressed oils with appropriate smoke points such as extra virgin olive oil or avocado oil.
  • Salt & Seasoning: Season from a modest height above the pan to ensure an even, uniform crystalline dispersion.

Step-by-Step Culinary Masterclass

Follow these sequential steps with careful attention to sensory cues and cooking temperatures:

Step 1: Technique & Execution

Heat oven to 350º

Step 2: Technique & Execution

Mix flour, butter and 1/4 cup powdered sugar with spoon

Step 3: Technique & Execution

Press in ungreased square pan, 8 × 8 × 2 or 9 × 9 × 2 inches, building up 1/2-inch edge

Step 4: Technique & Execution

Beat remaining ingredients except powdered sugar with electric mixer on high speed about 3 minutes or until light and fluffy

Step 5: Technique & Execution

Pour over baked layer

Step 6: Technique & Execution

Bake 25 to 30 minutes or just until almost no indentation remains when touched lightly in center

Chef's Pro Tips & Variations

Nutritional Profile per Serving

MetricAmountDietary Benefit
Calories510 kcalControlled caloric load for steady metabolic burn
Protein33gHigh-biological-value protein for tissue maintenance
Carbohydrates19gComplex, slow-digesting dietary fiber
Fat17gWholesome dietary lipids for micronutrient absorption

Lemon Squares

This chef-curated Lemon Squares offers an authentic, wholesome dining experience. Created by Chief Culinary Specialist Stewart Lucas, it balances vibrant flavor with evidence-based nutrition.

★★★★★4.8 from 40 votes
Lemon Squares
CourseDinner
Prep Time20 mins
Cook Time30 mins
Total Time50 mins
Servings4
AuthorStewart Lucas

Macro Nutrition Profile (Per Serving)

Calories26% DV
510 kcal
Protein66% DV
33g
Fat22% DV
17g
Carbs7% DV
19g
Scale Ingredients

Ingredients

Ingredient Substitutions

Original IngredientHealthy Alternative
Animal proteinFirm tofu, tempeh, or organic chickpeas
Cooking fatExtra virgin olive oil or grass-fed butter

Instructions

1

Technique & Execution: Heat oven to 350º

2

Technique & Execution: Mix flour, butter and 1/4 cup powdered sugar with spoon

3

Technique & Execution: Press in ungreased square pan, 8 × 8 × 2 or 9 × 9 × 2 inches, building up 1/2-inch edge

4

Technique & Execution: Beat remaining ingredients except powdered sugar with electric mixer on high speed about 3 minutes or until light and fluffy

3:00
5

Technique & Execution: Pour over baked layer

6

Technique & Execution: Bake 25 to 30 minutes or just until almost no indentation remains when touched lightly in center

30:00

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Storage & Freezing Tips

  • Refrigerator: Store in an airtight container for up to 2 days. Keep the components separate if possible to preserve texture.
  • Reheating: Reheat gently in a skillet on medium-low heat with a splash of olive oil or butter.
  • Freezing: Freezing is not recommended for this dish because ingredients like eggs become soggy, rubbery, or mushy when defrosted.

Frequently Asked Questions

Can this recipe be prepared ahead of time?▼

Yes, this meal is excellent for weekly meal prep. Store components separately and assemble before serving.

Is this recipe gluten-free?▼

All ingredients used are naturally gluten-free. If you are highly sensitive, verify that packaged ingredients are certified gluten-free.

Tried this recipe?

Tag @stewartlucas on Instagram and hashtag it #nutriguide!

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Stewart Lucas

Stewart Lucas

Chief Culinary Specialist

Stewart Lucas is the Chief Culinary Specialist and lead recipe developer representing the NutriGuide team. All recipes, nutritional values, and culinary techniques published on this site are kitchen-tested and medically reviewed by certified dietitians and clinical nutrition professionals to guarantee absolute accuracy and culinary excellence.

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