In bowl, whisk flour with salt
In a separate bowl, whisk together eggs, milk and half of the butter. Pour over flour mixture and whisk until smooth.
Cover and refrigerator for 1 hour.
Heat nonstick skillet over medium heat. Brush skillet with some remaining butter.
Pour 1/3 cup batter into centre of skillet, tilting and swirling to coat bottom.
Cook, flipping when edge begins to curl away from skillet, until set and edge is light golden.
Transfer to plate and eat it warm.