Madeira Cake, Elderflower and Blackberry Bombe Alaska Preparation time: 30 minutes Cooking time: 30 minutes Serves: 8 4 thick slices Madeira cake* 1kg frozen blackberries 1 cup elderflower cordial Juice of 1 lemon 2 cups cream 395g can sweetened condensed milk 3 tsp vanilla paste 150g creme fraiche 4 egg whites ½ tsp cream of…