Pre-heat oven to 170°C. Grease and line a 20cm round cake pan with baking paper

Using electric beaters, beat butter, sugar and vanilla essence together until pale. Add eggs, one at a time, beating well to combine and stir in the milk

Sift flour and cinnamon together, add to butter mix, stir to combine. Pour into prepared pan and smooth the surface. Drop spoonful of marmalade onto the batter and swirl with a butter knife

Bake for 45 minutes or until firm to touch and skewer comes out clean

Brush melted butter over the hot cake and sprinkle with cinnamon

Serve with extra marmalade