海棉蛋糕全蛋法由 Stanley 製作的食譜視頻Nutella Mug Cake4 ingredients, no egg, ready in 5 minutes1/4 cup (30g) AP flour1/4 tsp (2g) baking powder1/4 cup (60ml) milk2 tbsp (40g) nutella由 Ryan 製作的食譜視頻