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Citrus slice in squares on plate.
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Citrus Slice

This easy no-bake Citrus Slice is made with a biscuit and condensed milk base infused with lemon and orange. Topped with a 3-ingredient citrus icing!
Course Dessert
Cuisine American
Prep Time 25 minutes
Chill Time 3 hours
Total Time 3 hours 25 minutes
Servings 16 squares
Calories 204kcal

Ingredients

Base

  • 250 g (1 packet / 8.9 oz.) Marie biscuits, or plain digestives biscuits
  • 1 cup desiccated coconut
  • 1 Tbsp lemon zest, from one large lemon
  • 1 Tbsp orange zest, from one large orange
  • 1 can (395g/14 oz.) sweetened condensed milk
  • 1 Tbsp lemon juice, from one large lemon, will also provide enough for icing
  • 1 Tbsp orange juice, from one large orange, will also provide enough for icing

Icing

  • 2 1/2 cups powdered sugar / icing sugar
  • 60 g unsalted butter, melted
  • 1 Tbsp lemon juice
  • 1 Tbsp orange juice

Instructions

Base

  • Prepare Baking Pan: Line a 9 x 9 inch (22cm x 22cm) square baking pan with parchment paper. Set aside.
  • Crush Biscuits: In a high-speed food processor, crush the biscuits to a fine crumb.
  • Mix Base Ingredients: Transfer the biscuit crumbs to a large mixing bowl. Stir in desiccated coconut and lemon and orange zest. Add condensed milk and the lemon and orange juice. Mix with a wooden spoon or spatula until the mixture is well combined.
  • Press into Pan: Press the mixture firmly into the prepared pan, using the back of a spoon, a spatula, or your hands. Place in the refrigerator to chill while preparing the icing.

Icing

  • Make Citrus Icing: In a medium-sized mixing bowl, sift the icing sugar. Add melted butter and lemon and orange juice. Whisk until smooth and thick.
  • Apply Icing: Spread the icing evenly over the biscuit base.
  • Chill to Set: Return the pan to the refrigerator and chill for at least 2-3 hours, or until the icing is firm and the base is solid.
  • Slice and Serve: Once set, remove the slice from the pan, peeling away the parchment paper. Cut into squares and enjoy!

Notes

  • Storage: Store the slice in an airtight container in the refrigerator for up to 1 week. 
 
  • Freeze: For longer storage, wrap the entire slab or individual slices in cling film, then place in a freezer-safe bag or container. It can be frozen for up to 3 months.
 
  • Thaw: Thaw the slices in the refrigerator overnight. For quicker thawing, leave them at room temperature for a few hours until they are soft enough to eat.

Nutrition

Calories: 204kcal | Carbohydrates: 33g | Protein: 1g | Fat: 8g | Saturated Fat: 5g | Polyunsaturated Fat: 1g | Monounsaturated Fat: 1g | Trans Fat: 0.1g | Cholesterol: 8mg | Sodium: 84mg | Potassium: 64mg | Fiber: 1g | Sugar: 23g | Vitamin A: 100IU | Vitamin C: 3mg | Calcium: 16mg | Iron: 1mg