Add <quantity>500<unit>g</unit></quantity> of all-purpose flour to a bowl

Add <quantity>1.2<unit>l</unit></quantity> of whole milk. Whisk continuously to incorporate the flour

Add <quantity>1</quantity> egg

Add <quantity>1<unit>tsp</unit></quantity> of salt and <quantity>1<unit>pinch</unit></quantity> of baking soda. Whisk thoroughly to obtain a thin, smooth batter

Let the batter rest for 20m until it starts to bubble

Warm a flat non-stick pan over medium heat and grease it with butter

Add enough batter to form a thin layer. Lift the pan off the heat, tilting it in a circular motion to spread the batter into an even circle. Cook for 1m until the top is set and the bottom is light brown

Loosen the edges with a spatula and flip the dough. Cook for 30s and remove from the heat. Repeat with the remaining batter, greasing the pan again if it starts to stick. The crêpe is ready

Enjoy it with your favorite filling!