Lemon curd is a luscious, tangy spread that adds a bright flavor to scones, tarts, and desserts. Using a generous 12 eggs creates a rich, velvety texture that’s both indulgent and versatile. This recipe balances the tartness of fresh lemons with the richness of eggs, resulting in a smooth and glossy curd that elevates any baked good or breakfast treat.
Ingredients
- 12 large eggs
- 1 ½ cups (300 grams) granulated sugar
- 1 cup (240 ml) fresh lemon juice (about 4-5 lemons)
- Zest of 2 lemons
- ½ cup (113 grams) unsalted butter, cut into small pieces
- Pinch of salt
Instructions
- Prepare your ingredients: Zest and juice the lemons first. Strain the lemon juice to remove pulp and seeds for a smooth curd. Set aside.
- Combine eggs and sugar: In a large heatproof bowl or saucepan, whisk together the eggs and sugar until well combined and slightly frothy. This helps prevent the eggs from curdling later.
- Add lemon juice and zest: Stir in the lemon juice, lemon zest, and a pinch of salt. Mix thoroughly to distribute the flavors evenly.
- Cook the mixture: Place the bowl over a saucepan of simmering water (double boiler). Make sure the bottom of the bowl doesn’t touch the water. Cook gently, stirring constantly with a silicone spatula or wooden spoon, until the mixture thickens and coats the back of a spoon. This should take about 10-15 minutes. Be patient; high heat can cause curdling or scramble the eggs.
- Incorporate the butter: Remove the bowl from heat. Immediately add the butter pieces, one at a time, stirring continuously until each piece melts and the mixture is smooth and glossy.
- Strain and cool: Pour the curd through a fine-mesh sieve into a clean container to remove any cooked egg bits or zest that didn’t fully incorporate. Cover with plastic wrap directly on the surface to prevent a skin from forming. Allow to cool at room temperature for about 30 minutes, then refrigerate for at least 2 hours before using to let the flavors meld and the curd set properly.
Tips
- Substitutions: For a dairy-free version, use coconut butter instead of butter, but note it will alter the flavor and texture slightly.
- Storage: Keep lemon curd in an airtight container in the refrigerator for up to 1 week. For longer storage, freeze in a freezer-safe container for up to 3 months.
- Prevent curdling: Always cook the mixture over gentle heat and stir constantly. Rapid heating can scramble the eggs and ruin the smooth texture.
- Using fresh lemons: Fresh lemon juice and zest are essential for the best flavor. Bottled juice may be less vibrant and can affect the overall taste.
Serving Suggestions
Serve lemon curd as a spread on toasted scones, muffins, or croissants. It’s also perfect as a filling for tarts, layer cakes, or as a topping for Greek yogurt or ice cream. For a sophisticated dessert, fill a tart shell with lemon curd, top with whipped cream, and garnish with lemon zest or fresh berries.
Variations
For a twist on the classic, try adding a teaspoon of vanilla extract or a splash of Grand Marnier to the curd during cooking. You can also incorporate fresh berries or other fruits into the curd for added flavor and texture. For a less tart version, reduce the lemon juice slightly or add a touch more sugar.
Storage and Reheating
Refrigerate lemon curd in an airtight container for up to 1 week. If you need to reheat, do so gently in the microwave in 15-second bursts, stirring in between, or warm it over low heat on the stove. Avoid overheating, as this can cause separation or curdling. For longer storage, freeze the curd in a sealed container for up to 3 months. Thaw in the refrigerator overnight before use.
Frequently Asked Questions
Can I make lemon curd without eggs?
Traditional lemon curd relies on eggs for its creamy texture, but vegan alternatives exist using cornstarch or arrowroot as thickeners. These versions won’t have the same richness but can still provide a tangy lemon flavor.
Is lemon curd safe to eat raw?
Since lemon curd is cooked during the process, it’s safe to eat once properly heated and cooled. The cooking process kills any bacteria present in raw eggs, making it safe for consumption.
How thick should lemon curd be?
The curd should coat the back of a spoon and hold its shape when cooled. It thickens as it cools, so don’t worry if it’s slightly runny when warm. If it’s too thin after cooling, return it to the heat briefly and cook until it reaches the desired consistency.
Can I reduce the sugar in this recipe?
Yes, you can reduce the sugar slightly to suit your taste, but keep in mind that sugar also helps with the texture and preservation. Reducing sugar significantly may result in a less stable curd that spoils faster.
What’s the best way to prevent lumps?
Constant stirring and cooking over gentle heat help prevent lumps. Straining the curd after cooking ensures a silky-smooth texture by removing any cooked egg bits or zest pieces that didn’t fully incorporate.
How do I know when the curd is done?
It’s ready when it thickens enough to coat the back of a spoon and leaves a clear trail when you run your finger through it. The temperature should reach about 170°F (77°C) if using a thermometer. Be patient, as rushing the process can cause curdling.
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