15-Minute Lighter Lemon-Lime Curd Without Butter

Prep: 5 minCook: 10 min2 servingsmedium
Lighter Lemon-Lime Curd Without Butter

A simplified, butter-free curd made with fresh citrus juice, egg, and sugar. Bright and tangy with minimal ingredients, this lighter version achieves rich, custardy texture through gentle heat and constant stirring. Ready in minutes for tarts, cakes, or spreading on toast.

Ingredients

2 servings
  • cup fresh lemon juice or fresh lime juice
    grapefruit juice1:1neutral

    more bitter, less bright

    Full guide →
  • 1 to 2 teaspoon, lemon zest
  • 5 tablespoon sugar
    honey1:1neutral

    will add floral note, slightly looser set

    Full guide →
  • 1 egg, room temperature
    3 tablespoon cornstarch slurry (cornstarch+water)1:1veganegg-freeeggs-free

    replaces binder and body, texture will be thinner

    Full guide →
  • ½ teaspoon vanilla extract

Instructions

  1. 1

    Dissolve sugar into lemon or lime juice in a small saucepan over medium heat. Add zest.

  2. 2

    Lightly beat egg in a small or medium bowl. Slowly pour the lemon-sugar syrup into the beaten egg while whisking constantly.

  3. 3

    Beat for 2 minutes, or 1 minute if using an electric mixer.

  4. 4

    Transfer the mixture back into the saucepan.

  5. 5

    Heat over low heat, stirring constantly, until it just starts to bubble at the edges.

  6. 6

    Remove from heat and stir in vanilla extract.

  7. 7

    Transfer to a small container and refrigerate.

Tips

Tip 1

Use room temperature egg to prevent curdling when adding hot syrup.

Tip 2

Whisk constantly when combining syrup and egg to temper the egg gradually.

Tip 3

Stir continuously over low heat to avoid scrambling the egg.

Good to Know

Storage

Refrigerate in an airtight container for up to 1 week.

Make Ahead

Make up to 3 days in advance. Stir before use if separated.

Serve With

Spread on tarts, layer in cakes, dollop on desserts, or serve on toast.

Common Mistakes

Watch

Do not skip tempering the egg by whisking syrup in slowly to avoid scrambled curd.

Watch

Do not stop stirring during low-heat cooking to prevent egg from curdling.

Watch

Do not overheat past light bubbling at edges to maintain smooth texture.

Substitutions

Vegan Options

egg
3 tablespoon cornstarch slurry (cornstarch+water)1:1veganegg-freeeggs-free

replaces binder and body, texture will be thinner

Full guide →

General Alternatives

sugar
honey1:1neutral

will add floral note, slightly looser set

Full guide →
lemon juice
grapefruit juice1:1neutral

more bitter, less bright

Full guide →
Find more substitutions →