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Custard Slab Cake, the All-Time Favorite Traybake

Step-by-step method

Let’s cook

At a glance

You're making a delightfully simple traybake where custard gets poured right over the batter before baking—the magic happens when bits of golden cake peek through the creamy custard layer. Just whip up a quick batter, spread it on a tray, pour warm custard over top, bake for 40 minutes, then finish with a sour cream topping and cinnamon sugar while it's still warm.

  1. 1/8

    Preheat the oven

    Preheat the oven to 170 °C.

  2. 2/8

    Make the custard

    Pour the milk (750ml) into a saucepan and start heating it. Sweeten with sugar. Once the milk is hot, almost boiling, add the remaining milk in which you've whisked both packets of vanilla custard powder. Stir until it thickens, then keep it on a gentler heat for about five more minutes, until the custard is nicely thickened.


    For this step

    0/3
  3. 3/8

    Whip up the batter

    Whisk the eggs and sugar together until foamy. Add the oil, water, and flour mixed with baking powder. Mix into a smooth, lump-free batter.


    For this step

    0/6

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Custard Slab Cake, the All-Time Favorite Traybake

bohynekuchyne
Active time total 1 h 5 min
Prep 15 min Cook 50 min

11 Ingredients

8 Steps

Medium Difficulty

Ingredients — what you'll need

You only need 11 ingredients

Adjust servings

Equipment

What you'll need besides the ingredients.

Baking sheet 26 × 35 cm
Baking paper optional

What's in it?

681 kcal

Calories

80 g

Carbohydrates

36 g

Fats

15 g

Proteins

The nutritional information is an estimate and may vary based on the specific ingredients used.

About this recipe

This simple traybake is known as custard cake or 'blanket cake'. You pour custard over the batter, and once baked, you spread it with sour cream. Simple and unbelievably good.

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