Silver poppy seed cake trifle from Baking for All Occasions, presentation inspired by Nigella's lemon - raspberry plate trifle Cake: 2 1/4 cups (315g) cake flour 1 teaspoon baking powder 1/2 teaspoon baking soda 1/4 teaspoon salt 1/4 cup (60 ml) whole milk 1/2
vanilla bean, split lengthwise 1/2 cup (60 ml) well shaken buttermilk 1/4 cup poppy seeds 1 tablespoon
fresh lemon juice 200g unsalted butter, room temperature 1 1/2 cups (300g) granulated sugar 4 large (120 ml) egg whites, lightly
beaten To serve: 1 cup heavy cream, whipped 1 cup
fresh strawberries, hulled and sliced lengthwise 3 tablespoons sliced almonds, lightly toasted Center a rack in the oven and preheat to 180 °C / 350 °F.