Ingredients
Pastry
Method
1.Preheat oven to moderate, 180°C. Lightly grease a 24cm loose-bottom flan pan.
2.To make pastry; sift flour, icing sugar and cocoa together into a large bowl. Rub in butter with fingertips until mixture resembles fine breadcrumbs. Add egg-yolks and water and mix to a soft dough. Transfer to a lightly floured surface. Knead lightly until smooth. Wrap in plastic wrap and chill 30 minutes.
3.Roll out pastry between two sheets of baking paper to a 26cm circle. Ease dough into pan. Trim edges and chill 30 minutes. Bake blind tor 15 minutes. Remove weights and bake for a further 10 minutes. Reduce oven to moderately slow, 16O°C.
4.In a large bowl, combine yolks, eggs and sugar. Beat with electric mixer until pale and thick. Fold in chocolate, cream and vanilla. Pour mixture into pastry case. Bake for 25-30 minutes, until filling is set. Cool.
5.Meanwhile, melt the extra chocolate in a snap-lock bag, snip the end and pipe in Christmas tree shapes on baking paper. Let set. Serve tart topped with cream and chocolate christmas trees.