Coffee and Chestnut Cake

Ingredients

• Gâteau

  • 4 tsp instant espresso powder (see note), plus more for serving
  • 6 tbsp (90 ml) hot water
  • 1/4 cup (60 ml) plain yogurt
  • 1 1/4 cups (190 g) unbleached all-purpose flour
  • 1 tsp baking powder
  • 1/2 tsp baking soda
  • 1/4 tsp salt
  • 1/2 cup (115 g) unsalted butter, softened
  • 3/4 cup (160 g) sugar
  • 2 eggs

• Topping

  • 3/4 cup (180 ml) 35% cream
  • 1 tbsp sugar
  • 1/4 vanilla bean, split lengthwise and seeds scraped
  • 1 can (250 g) chestnut cream