Apple Cider Doughnut Loaf Cake

• 1 ½ cup (360 ml) Apple Cider
• 8 tbsp (113 g) Unsalted Butter
• 1 ¼ cup + 2 tbsp (172 g) All-Purpose Flour
• 2 tbsp (15 g) Corn Starch
• 1 ¼ tsp (6 g) Baking Powder
• ½ tsp (3 g) Baking Soda
• ½ tsp (3 g) Salt
• ½ tsp (2 g) Ground Cinnamon
• ¼ tsp (1 g) Nutmeg
• ½ cup (120 ml) Sour Cream
• 1 tsp (5 ml) Vanilla Extract
• 2 large Eggs, room temperature
• ¾ cup (150 g) Granulated Sugar

For toppings

• 1/4 cup (50 g) granulated sugar
• 1/2 tsp (2 g) Ground Cinnamon
• ¼ tsp (1 g) Nutmeg
• 1 pinch Salt