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5.0 from 9 votes

Mirror Glaze Cake

Follow my easy mirror glaze recipe to glaze any cake. You will need a cake covered in buttercream with a smooth finish that has been frozen for at least two hours or overnight.

Prep Time
15 mins
Additional Time
2 hrs
Total Time
2 hrs 15 mins
Servings: 8
Calories: 406 kcal
Course: Dessert
Cuisine: European

Ingredients

Mirror Glaze Recipe
Makes enough to cover a 20cm/9in layer cake or frozen cheesecake
  • 2 tbsp powdered gelatine (15g)
  • 80 ml | ⅓ cup cold water to bloom the gelatine
  • 200 g | 1 cup granulated sugar
  • 200 g | 7oz corn syrup / glucose
  • 100 ml | 1/3 cup + 1 tbsp water
  • 150 g | 5.3oz sweetened condensed milk
  • 200 g | 7oz white chocolate chips or a bar chopped into small pieces
  • selection of soft gel paste food colours
  • lustre powder optional
  • selection of sprinkles optional
  • 1 cake covered in buttercream frozen for at least 2 hours

Instructions

    Cup of Yum
  1. Put the powdered gelatine in a small bowl and add the cold water. Allow it to 'bloom' - it will swell and become almost solid. Set aside.
  2. Put the sugar, corn syrup and water into a saucepan and heat until sugar dissolves. Do not allow it to boil.
  3. Take off the heat and stir in the gelatine until it melts.
  4. Add the condensed milk and stir until smooth.
  5. Put the chopped chocolate into a bowl and pour the hot mixture over it. Allow it to sit for a couple of minutes then stir slowly using a balloon whisk. Start from the centre and increase your stirring motion outwards until the glaze is completely smooth.
  6. Strain the glaze using a fine sieve and discard any solids.
  7. Add a small amount of your base colour into the glaze and stir until smooth. Adjust until you are happy with the colour.
  8. Pour a small amount of the glaze into three smaller bowls and tint each bowl a complementary colour (I used blue, black and purple).
  9. Check your glaze has reached 30C/89F before using with a digital thermometer. It can be a couple of degrees either side of this temperature.
  10. Remove the cake from the freezer. Place on tin set over a rimmed tray to catch the excess glaze.
  11. Smooth the top of the cake with a palette knife so it is as even and smooth as possible.
  12. Pour the base colour glaze over the entire cheesecake, starting at the edges and filling in the centre.
  13. Drizzle the contrasting colours over the top to create and interesting pattern – work quickly before the glaze has a chance to set.
  14. Add a dusting of lustre powder or other decorations if you like. Leave the glaze to set and cake to come to room temperature before serving.
  15. If you are not serving immediately, keep in the fridge until ready to slice.

Notes

  • This is the type of recipe that demands a certain set of tools and ingredients (contains affiliate links)
  • This is the type of recipe that demands a certain set of tools and ingredients (contains affiliate links)
  • Sugar, water and glucose (or corn syrup)
  • Sweetened condensed milk
  • White chocolate - ideally good quality white chocolate chips or a bar cut into very small pieces
  • Food coloring in a variety of strong tints - my favourite brand is Americolor 
  • White Lustre powder (Sugarflair is my preferred brand)
  • Sprinkles and decorations (optional - work with your colour theme)
  • You will also need a frozen cake that’s covered in a smooth coating of buttercream – ideally Swiss Meringue buttercream
  • Thermapen – temperature is absolutely key in making mirror glaze, do not attempt the recipe without it. If the glaze is too hot it will simply drip off the cake. 
  • Digital scales – I use a scale for all my bakes but it is especially useful for mastering tricky skills like macarons or mirror cakes
  • Fine strainer for getting rid of any lumps
  • Cake boards – useful when covering cakes with buttercream
  • Sugar, water and glucose (or corn syrup)
  • Powdered gelatine
  • Sweetened condensed milk
  • White chocolate - ideally good quality white chocolate chips or a bar cut into very small pieces
  • Food coloring in a variety of strong tints - my favourite brand is Americolor 
  • White Lustre powder (Sugarflair is my preferred brand)
  • Sprinkles and decorations (optional - work with your colour theme)
  • You will also need a frozen cake that’s covered in a smooth coating of buttercream – ideally Swiss Meringue buttercream
  • Thermapen – temperature is absolutely key in making mirror glaze, do not attempt the recipe without it. If the glaze is too hot it will simply drip off the cake. 
  • Digital scales – I use a scale for all my bakes but it is especially useful for mastering tricky skills like macarons or mirror cakes
  • Measuring spoons
  • Immersion blender (optional) for blending the glaze
  • Fine strainer for getting rid of any lumps
  • Palette knife – for scraping the glaze as it drips off the cake
  • Cake boards – useful when covering cakes with buttercream
  • Cake lifter – for transferring cakes safely

Nutrition Information

Calories 406kcal (20%) Carbohydrates 77g (26%) Protein 4g (8%) Fat 10g (15%) Saturated Fat 6g (30%) Cholesterol 12mg (4%) Sodium 83mg (3%) Potassium 141mg (4%) Fiber 1g (4%) Sugar 61g (122%) Vitamin A 58IU (1%) Vitamin C 1mg (1%) Calcium 103mg (10%) Iron 1mg (6%)

Nutrition Facts

Serving: 8Serving

Amount Per Serving

Calories 406

% Daily Value*

Calories 406kcal 20%
Carbohydrates 77g 26%
Protein 4g 8%
Fat 10g 15%
Saturated Fat 6g 30%
Cholesterol 12mg 4%
Sodium 83mg 3%
Potassium 141mg 3%
Fiber 1g 4%
Sugar 61g 122%
Vitamin A 58IU 1%
Vitamin C 1mg 1%
Calcium 103mg 10%
Iron 1mg 6%

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