350g |
caster sugar |
250g |
butter, at room temperature, plus extra for greasing |
6 |
large eggs, separated, at room temperature |
250g |
buckwheat flour |
1 1/2 tablespoons |
baking powder |
a good pinch |
salt |
1 teaspoon |
ground cinnamon |
125g |
almonds, hazelnuts or walnuts, very finely ground |
300g |
frozen berries such as raspberries, blackberries or blackcurrants, or a mixture |
150g |
dried sour cherries or cranberries |
200ml |
red wine or water |
5cm |
piece of cinnamon stick, (optional) |
175g |
creme fraiche |
150g |
mascarpone |
1 1/2 tablespoons |
icing sugar, plus extra for dusting |