Custard Slice

Method8 steps

1. 1

   Step 1: Grease a 23 × 23 cm square tin and line with baking paper, leaving overhang to lift out the set slice.

2. 2

   Step 2: Place SAOs on bottom of tray to form a complete layer (cut SAOs to fit if necessary however 9 SAOS should fit well in a 23 x 23cm tin).

   Uses Nine SAO crackers for bottom layer

3. 3

   Step 3: Reserve 125 ml of the one litre custard milk in a separate bowl. Heat the remaining 875 ml in a saucepan until almost boiling.

   Uses 875 ml milk to heat, reserving 125 ml

4. 4

   Step 4: Mix the custard powder (6 tablespoons) and three tablespoons sugar into the reserved 125 ml cold milk. Whisk this slurry into the hot milk just before it boils, then keep whisking over heat for a few minutes until thickened.

   Whisk custard until thickenedUses Heated 875 ml custard milk · Reserved 125 ml milk for slurry · 6 tablespoons custard powder · 3 tablespoons sugar

5. 5

   Step 5: Take off the heat and stir in the butter (20 grams) and vanilla extract (1 teaspoon).

   Uses Thickened cooked custard · 20 grams butter (cut into small cubes) · 1 teaspoon vanilla extract

6. 6

   Step 6: Allow to cool for a few minutes before pouring the custard onto the SAO biscuits and then top with another layer of SAO biscuits.

   Uses Butter-vanilla-finished custard · Prepared bottom cracker layer · Remaining nine SAO crackers for top layer

7. 7

   Step 7: Refrigerate the assembled slice until cool and set. Once cool, combine the separate one-and-a-half cups icing sugar (1 1/2 cups), two to three tablespoons icing milk and half teaspoon icing vanilla, then spread this icing evenly over the slice.

   Refrigerate until cool and set before icingUses Assembled custard slice with two cracker layers · 1 1/2 cups icing sugar · 2-3 tablespoons milk · 1/2 teaspoon vanilla extract

8. 8

   Step 8: Place back into fridge and allow to set for at least a few hours, ideally overnight. Dust with icing sugar if desired before serving.

   Final refrigerated setting: a few hours or overnightUses Cooled slice with prepared vanilla icing · Extra icing sugar for dusting before serving, optional; amount unspecified