Lemon meringue kisses

Meringue is one of the most spectacular tricks of kitchen chemistry: we physically uncoil egg white proteins (whisking) to trap air, and sugar stabilises this structure. The result is a sweet treat that is crisp like glass on the outside and melt-in-the-mouth soft inside. Lemon not only flavours but helps stabilise the foam with its acidity.
🕒 Prep Time 20 mins
🍳 Cook Time 1 hr 30 mins
Total Time 1 hr 50 mins
🍽️ Servings 20 servings
🔥 Calories 45 kcal
🌍 Cuisine International

Ingredients

Equipment Needed

  • Large metal or glass mixing bowl (grease-free!)
  • Electric whisk
  • Piping bag with star nozzle
  • Baking paper

Allergen Information

⚠️ Egg

Instructions

1

Preheat the oven to 100°C (80°C fan). Line a baking tray with baking paper.

Tip: We dry meringue, not bake it. High heat would brown and burn the sugar. (Dehydration).
2

Place the egg whites in a spotless, grease-free bowl. Start whisking on low speed. When foamy, add the lemon juice.

Tip: Acid (lemon juice) helps protein chains form a more stable structure, making the foam less likely to collapse. (Protein denaturation assistance).
3

Increase speed and add caster sugar a spoonful at a time. Whisk for 1-2 minutes after each spoon until the sugar is completely dissolved.

Tip: If you dump the sugar in all at once, the foam collapses and remains grainy. Patience yields glossy, smooth meringue.
4

When the meringue is stiff, glossy, and doesn't move when the bowl is inverted ('stiff peaks'), gently fold in the grated lemon zest and vanilla.

Tip: Don't use the machine here; just fold with a spatula to avoid breaking the structure.
5

Fill a piping bag and pipe small mounds onto the paper. Dust with a breath of icing sugar.

Tip: Icing sugar caramelises on the surface, forming an extra crispy layer.
6

Place in the oven for 1.5-2 hours. They are done when they lift easily from the paper and sound hollow when tapped on the bottom. Let cool in the turned-off oven with the door slightly ajar.

Tip: Gradual cooling prevents cracking from sudden temperature changes.

Recipe FAQ

Why did the meringue collapse?
Grease likely got into the bowl (e.g., egg yolk or dirty equipment). Fat is the enemy of meringue as it 'pops' the bubbles.
Why is the meringue sticky?
High humidity is the cause. Sugar attracts water (hygroscopic), so it's harder to bake good meringue in rainy weather.

Ingredients

  • 3 pc(s) Egg whites (room temperature)
  • 150 g Caster sugar (fine grain)
  • 1 pc(s) Organic lemon zest
  • 1 tbsp Lemon juice
  • 1 tsp Vanilla extract
  • 20 g Icing sugar (for dusting)