Chocolate and Spice Cake

Ingredients

• 12 oz (340 g) dark chocolate, chopped
• 1 1/2 cups (375 ml) 35% whipping cream
• 3 tbsp (45 ml) corn syrup
• 2 cups (280 g) unbleached all-purpose flour
• 2 tsp (10 ml) baking powder
• 1 tsp (5 ml) ground cinnamon
• 1/2 tsp (2.5 ml) ground ginger
• 1/4 tsp (1 ml) ground nutmeg
• 1/2 tsp (2.5 ml) salt
• 3/4 cup (170 g) unsalted butter, softened
• 1 1/2 cups (360 g) lightly packed brown sugar
• 2 tbsp (30 ml) molasses
• 1 tsp (5 ml) vanilla extract
• 3 eggs
• 1 cup (250 ml) buttermilk
• 1/3 cup (75 ml) maple syrup
• 1 1-inch (2.5 cm) piece fresh ginger, cut into 4 slices
• 1 cup (227 g) unsalted butter, softened
• 3 cups (390 g) icing sugar
• 1 tsp (5 ml) vanilla extract
• 6 tbsp (90 ml) 35% whipping cream