Ingredients

1 1/2 cups cake flour (not self-rising)

3/4 teaspoon salt

1 teaspoon baking soda

1/2 teaspoon double-acting baking powder

1/4 cup poppy seeds

1 1/2 sticks (3/4 cup) unsalted butter, softened

1 1/4 cups sugar

2 teaspoons freshly grated orange zest

4 large eggs, separated

2/3 cup sour cream

2 teaspoons vanilla

1/4 teaspoon cream of tartar

For the syrup

• 1 cup fresh orange juice
• 1/4 cup plus 2 tablespoons Grand Marnier or other orange-flavored liqueur
• 3 tablespoons sugar
• 1/4 cup julienne strips of orange zest (preferably removed with a zester)
• 3 cups mixed berries
• confectioner's sugar for sifting over the cake
• crème fraîche as an accompaniment

Description

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