Classic Zesty Lemon Curd

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Classic Zesty Lemon Curd

This recipe produces a silky, stable curd that is far superior to anything you’ll find on a grocery store shelf.

  • Prep time: 10 minutes

  • Cook time: 10–15 minutes

  • Servings: Makes about 1.5 cups (approx. 24 tablespoons)

Ingredients

  • 4 Large Egg Yolks (provides the rich, yellow color and thick structure)

  • 2/3 cup (135g) Granulated Sugar

  • 1/3 cup (80ml) Fresh Lemon Juice (approx. 2–3 lemons)

  • 1 tbsp Lemon Zest (finely grated)

  • 1/4 tsp Salt

  • 6 tbsp (85g) Unsalted Butter, cubed and at room temperature

Instructions

  1. Create a Double Boiler: Fill a medium saucepan with 1–2 inches of water and bring to a simmer. Place a heat-proof glass or stainless steel bowl over the pan (ensure the bottom of the bowl doesn’t touch the water).

  2. Whisk: Add egg yolks, sugar, lemon juice, zest, and salt to the bowl. Whisk constantly.

  3. Thicken: Continue whisking for about 10 minutes until the mixture thickens. It should coat the back of a spoon and reach a temperature of $170^\circ\text{F}$ ($77^\circ\text{C}$).

  4. Enrich: Remove the bowl from the heat. Whisk in the cubed butter one piece at a time until completely melted and smooth.

  5. Strain (Optional but Recommended): Pour the curd through a fine-mesh sieve into a jar to remove any bits of cooked egg or zest for a perfectly smooth finish.

  6. Chill: Place plastic wrap directly on the surface of the curd (to prevent a “skin” from forming) and refrigerate for at least 3 hours. It will thicken significantly as it cools.

Description & Notes

  • Flavor Profile: A high-impact balance of sharp acidity and creamy sweetness.

  • Texture: Thick enough to hold its shape on a spoon but melts instantly on the tongue.

  • The “Metal” Rule: Never use a reactive aluminum pot or whisk; the acid in the lemon can react with the metal, giving your curd a metallic taste and a dull grey tint.

Pro-Tips for Success

  • Don’t Rush: If the heat is too high, you’ll end up with lemon-flavored scrambled eggs. Keep the water at a gentle simmer.

  • Use Fresh Lemons: Bottled juice lacks the complex oils found in fresh zest and juice, which are essential for that “bright” flavor.

  • Storage: Keep in an airtight jar in the fridge for up to 2 weeks, or freeze for up to 3 months.

Nutritional Info (Per 1 tbsp Serving)

Nutrient Amount
Calories 55 kcal
Total Fat 4g
Cholesterol 45mg
Carbohydrates 6g
Sugars 6g
Protein 1g

Benefits & Uses

  • Vitamin C Boost: While it’s a dessert, the fresh lemon juice provides a small hit of antioxidants.

  • Versatility: * Breakfast: Spread on scones, pancakes, or swirled into Greek yogurt.

    • Dessert: Use as a cake filling, tart base, or a topping for cheesecake.

    • Giftable: Because it looks so beautiful in a jar, it’s a perfect homemade gift.

Q&A

Q: Why is my lemon curd runny?

A: It likely wasn’t cooked long enough or hasn’t chilled completely. It needs to reach a certain temperature to allow the egg proteins to “set.” If it’s still thin after 4 hours in the fridge, you can re-warm it over a double boiler with an extra egg yolk.

Q: Can I use the whole egg instead of just yolks?

A: Yes, you can use whole eggs, but the curd will be slightly lighter in color and have a less “custardy” mouthfeel. Yolks provide that deep gold color seen in your photo.

Q: Can I use lime or orange instead?

A: Absolutely! This ratio works perfectly for Lime Curd. For Orange or Grapefruit, you may want to reduce the sugar slightly as those fruits are naturally sweeter.

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