26 March 2025

Sharp Lemon Agar Gel

Name: Sharp Lemon Agar Gel
Prep time: 10 min
Cook time: 5 min
Total time: 1 h
Yield: 12
Ingredients: 500 g lemon juice (freshly squeezed, strained); 50 g superfine sugar; 8 g agar powder (standard strength agar-agar powder)

RecipeShare Test Kitchen

Lemon gel set with agar for plating, tart finishing, and layered desserts.

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Sharp Lemon Agar Gel

This lemon gel is made with lemon juice, sugar, and agar for a firm set that can be blended smooth after chilling. It works well for tart finishing, plated desserts, and layered pastry components where you want a clear citrus element.

Main Characteristics

Agar gives the gel a stable structure after boiling and cooling. Once blended, the texture becomes smooth enough for piping dots, short lines, or spooned accents. The flavour stays direct and acidic, so smaller amounts are usually enough.

Texture Control

Increase the agar slightly if you want a firmer gel for cleaner dots.
Reduce the agar slightly if you want a softer finish for spooning or spreading.
Blend thoroughly after the gel is fully chilled to remove any small lumps.

Uses

Pipe around lemon or berry tarts
Add to cheesecake plates
Spoon alongside panna cotta
Layer into citrus-based entremets
Pair with vanilla, coconut, white chocolate, or fresh berries

Storage Notes

Store the blended gel in the refrigerator for up to 5 days in a sealed container, piping bag, or squeeze bottle. If it firms up during storage, blend or whisk briefly before using.

Sharp Lemon Agar Gel

RecipeShare Test Kitchen

Lemon gel set with agar for plating, tart finishing, and layered desserts.

Make Ahead

Low Carb

Low Calorie

Prep Time

10 mins

Cook Time

5 mins

Total Time

60 mins

Servings

Chef's Tips

Use freshly squeezed, well strained lemon juice for the brightest flavour and smoothest gel.
Bring the lemon juice to a full boil after adding the agar to properly activate the gelling power.
Let the gel set fully in the fridge before blending, otherwise it will stay runny instead of forming a smooth gel.
For a firmer gel that holds sharper dots, increase the agar slightly; for a softer gel, reduce it by 1 to 2 grams.
Store the blended gel in a piping bag or squeeze bottle to make plating clean and precise.

Tools Used

Saucepan Whisk Food Processor Fine Sieve

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Ingredients

Scale

USMetric

Scale

Lemon Gel

500 g lemon juice - freshly squeezed, strained
50 g superfine sugar
8 g agar powder - standard strength agar-agar powder

Instructions

Lemon Gel

1
Pour the lemon juice into a small saucepan and weigh out the sugar and agar powder separately.
2
In a small bowl, whisk the superfine sugar and agar powder together to disperse the agar evenly.
3
Heat the lemon juice over medium heat until steaming, then sprinkle in the sugar–agar mixture while whisking constantly.
4
Bring the mixture to a full boil and let it bubble for 1 to 2 minutes, whisking, to fully activate the agar.
5
Remove from the heat, skim any foam if needed, and pour the mixture into a shallow container. Let it cool to room temperature, then refrigerate until fully set into a firm gel.
6
Once set, cut the gel into cubes, transfer to a food processor and blend until completely smooth and glossy.
7
Use immediately or store refrigerated in a sealed container, piping bag or squeeze bottle.

Comments & Reviews

Alina
9/7/2025
I love that it is naturally vegan. I reduced the agar slightly for a softer consistency and it still held a nice shape.
Kenji
6/29/2025
Used this as a garnish for a cheesecake plate. The agar set really well and stayed stable even at room temperature.
Marta
4/18/2025
Sharp lemon flavour and a clean texture. It piped well as small dots around a lemon tart.

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Nutrition Facts

Serving Size: about 40 g (1–2 tablespoons)

Calories 30

% Daily Value*

Total Fat 0g0%

Saturated Fat 0g0%

Trans Fat 0g

Cholesterol 0mg0%

Sodium 1mg0%

Total Carbohydrates 7g3%

Dietary Fiber 1g4%

Sugars 6g

Protein 0g

* Percent Daily Values are based on a 2,000 calorie diet. Your daily values may be higher or lower depending on your calorie needs.

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Sharp Lemon Agar Gel

Main Characteristics

Texture Control

Increase the agar slightly if you want a firmer gel for cleaner dots.
Reduce the agar slightly if you want a softer finish for spooning or spreading.
Blend thoroughly after the gel is fully chilled to remove any small lumps.

Uses

Pipe around lemon or berry tarts
Add to cheesecake plates
Spoon alongside panna cotta
Layer into citrus-based entremets
Pair with vanilla, coconut, white chocolate, or fresh berries

Storage Notes

Store the blended gel in the refrigerator for up to 5 days in a sealed container, piping bag, or squeeze bottle. If it firms up during storage, blend or whisk briefly before using.