Custard Cream Moons

Updated: Jun 27

An all time classic biscuit and a super simple bake to enjoy with little ones.

On the day we chanced to make these online my two were strangely and suddenly taken with an extensive role play involving a moon landing with mixing bowl space helmets and secret messages from an alien race! It seemed only right to nick name these melt-in-the-mouth circular biccies. They'd be perfect for a space themed party actually, you could always cut a couple of small, round holes in the top biscuit to make craters, or use an icing pen to create moon patterns.


For the Biscuits

120g plain flour

40g custard powder

35g icing sugar

1/4tsp bicarbonate of soda

120g Stork or softened, unsalted butter

For the Filling

150g icing sugar

75g softened, unsalted butter

1/2 tbsp custard powder

1 tsp vanilla extract


Mixing bowl and spoons or mixer

Small bowl of extra flour

Two pieces of greaseproof paper

Non stick baking tray

Rolling pin

Small biscuit cutter


Mix together butter and icing sugar. Add all of the other ingredients and then use your hands to squish and squash the mixture into a dough. The dough will be very soft and sticky, but should hold its shape in a ball when it's ready to roll.

Have a little bowl of extra flour close by and encourage little ones to dip their hands in before handling the dough. Roll it out between two sheets of greaseproof to avoid the dough sticking and then cut out as many biscuit shapes as you can. Repeat. You will need an even number of biscuits.

Place your biscuits on the baking tray and bake at 180° for 8 minutes. The biscuits will have firmed up enough to remove them easily from the tray, but will be a little soft in the middle. They will continue to cook as they cool.

Whilst the biscuits are baking and cooling you can make the filling by mixing together all of the ingredients into a buttercream. Alternatively, you could make this in advance so it's ready for decorating the biscuits once they are completely cool.

Spread a little filling on the reverse of half of the biscuits. I often find kiddy cutlery knives better for spreading icing than a teaspoon as they don't have to contend with getting the mixture off the spoon and onto the biscuit and can just spread away. Pop another biscuit on top and Bob's you're uncle!

Change up this recipe by swapping custard powder for corn flour and adding a 2 tsp of lemon extract to the biscuit mix and one to the buttercream. Voila, delicious lemon creams.

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