Dutch Baby

 Ingredients:

• 25 g butter
• 3 eggs
• 1 tbsp powdered sugar
• 150 ml milk
• a pinch of salt
• 100 g flour
• 1½ tsp vanilla extract

Algorithm:

1. Preheat an oven to 200℃ (fan) with a cast-iron pan inside.
2. Beat the eggs with the sugar until light and frothy.
3. Whisk in milk, flour, salt, vanilla extract, beat until it is a smooth but thin batter.
4. Remove the pan from the oven, put the butter inside and swirl it around to melt it.
5. Quickly pour in the batter and return the pan to the oven.
6. Bake until puffed and golden brown, around 18-20 minutes.

Source: https://www.nigella.com/recipes/dutch-baby