For the cake
1 cup (200g) granulated sugar
Grated zest of 1 orange
½ cup (125g) whole plain yogurt
3 large eggs, at room temperature
1 tsp. vanilla extract
1½ cups (180g) all-purpose or cake flour
2 tsp. baking powder
¼ tsp. fine sea salt
½ cup neutral oil, such as canola or grapeseed
For the soaking syrup
2 Tbsp. Grand Marnier
2 Tbsp. orange juice
¼ cup (50g) superfine sugar
For the glaze
¾ cup apricot jam or marmalade
2 tsp. rum or water

Dining and Cooking