Sift flour into a large bowl. Add caster sugar and mix together .

Make a well in the centre.

Combine milk, egg, vanilla and butter together. Pour into the well.

Stir with a metal spoon until just combined.

Place half the mixture into a lined slow cooker.

Spread this with the warm jam.

Gently add the rest of the mixture.

Cook for 1 1/2 to 2 hours on HIGH.

Tea Towel under lid.

When cooked, sprinkle the top with the combined caster sugar and cinnamon .