Preheat the oven to 160˚C.
Grease 2 x 16cm / 7 inch sandwich tins and line the bottom of the tins with a round of baking paper.
In a large mixing bowl, beat the butter with the sugar until creamy and fluffy. Then add the eggs and the flour, the nibbed almond and the vanilla extract.
Transfer evenly to the two prepared sandwich tins. Bake for 25-30 minutes, or until a skewer inserted in the centre comes out clean.
Remove from the oven and transfer to a wire rack, allow to cool.
Prepare the syrup, in a saucepan, bring to the boil the water, caster sugar and vanilla extract. Remove from the heat and set aside.
Brush the syrup on the cake to moisten the cake and set aside to cool for 20 minutes.
Spread some of the marmalade on both sponges.
In a bowl, place the whipped cream and add the sliced poached pears and toasted nibbed almond.
Build the cake. Layer the bottom cake with the freshly whipped cream mixture.
Add the second cake with the marmalade side facing the whipped cream.
Then, dust with some icing sugar and decorate with some sliced pear.