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Lemon Slice
4.5 from 22 votes

Lemon Slice

The lemon slice with coconut is a sweet and tart traditional Australian dessert that's easy to make and sure to please everyone.

Prep Time
20 mins
Total Time
20 mins
Servings: 24 slices
Calories: 127 kcal
Course: Cake
Cuisine: Australian

Ingredients

Slice:
  • 7 oz sweet biscuits 200 g, Note, plain
  • ½ cup butter 125 g, unsalted
  • scant ¾ cup sweetened condensed milk 200 ml
  • 3 tablespoons lemon juice
  • 1 teaspoon lemon zest
  • ¾ cup desiccated coconut 75 g, unsweetened
Frosting:
  • 3 tablespoons butter very soft, 45 g, unsalted
  • 2 cups icing sugar 200 g
  • 2 ½ tablespoons lemon juice
  • 1 tablespoon water hot
  • 2-3 tablespoons desiccated coconut to sprinkle the slice

Instructions

Slice:
    Cup of Yum
  1. Crush biscuits: Finely crush ¾ of the biscuits in the food processor. Crush the remaining biscuits only roughly. If you don't have a food processor, place ¾ of the biscuits in a freezer bag, close well, and crush finely with a rolling pin. Place in a bowl and add the roughly crushed ones as well. Set aside.7 oz plain sweet biscuits/ 200 g
  2. Liquid mixture: Place the butter and sweetened condensed milk in a small saucepan. Heat gently, while stirring, until the butter is melted and the mixture is smooth. Add the lemon juice and lemon zest.½ cup unsalted butter/ 125 g + scant ¾ cup sweetened condensed milk/ 200 ml + 3 tablespoons lemon juice + 1 teaspoon lemon zest
  3. Make the crust: Pour over the crushed biscuits, add the desiccated coconut, and stir well to combine.¾ cup unsweetened desiccated coconut/ 75 g
  4. Chill: Line a baking dish of about with parchment paper. Press the mixture into the dish. Place in the fridge for 30 minutes until set.
Frosting:
  1. Soften butter: Make sure that the butter is very soft, like a paste.3 tablespoons unsalted butter/ 45 g
  2. Mix frosting: Sieve the icing sugar into a bowl. Add the butter, lemon juice, and hot water. Whisk well until the mixture is smooth.2 cups icing sugar/ 200 g + butter + 2 ½ tablespoons lemon juice + 1 tablespoon hot water
  3. Spread the frosting over the lemon slice. Sprinkle with the desiccated coconut.2-3 tablespoons desiccated coconut
  4. Chill lemon slice: Place in the refrigerator until ready to serve. Cut into small squares (about 24).

Notes

  • Measurements: Always use a digital kitchen scale in baking (the Amazon link opens in a new tab); it guarantees the best results. 
  • Biscuits: Butter biscuits, Butterkekse, Petit beurre, graham crackers, digestives – all great.

Nutrition Information

Serving 1slice Calories 127kcal (6%) Carbohydrates 15g (5%) Protein 1g (2%) Fat 8g (12%) Saturated Fat 5g (25%) Polyunsaturated Fat 3g (18%) Cholesterol 14mg (5%) Sodium 59mg (2%) Sugar 10g (20%)

Nutrition Facts

Serving: 24 slices

Amount Per Serving

Calories 127

% Daily Value*

Serving 1slice
Calories 127kcal 6%
Carbohydrates 15g 5%
Protein 1g 2%
Fat 8g 12%
Saturated Fat 5g 25%
Polyunsaturated Fat 3g 18%
Cholesterol 14mg 5%
Sodium 59mg 2%
Sugar 10g 20%

* Percent Daily Values are based on a 2,000 calorie diet.