Preheat the oven to 180℃ and line 2 baking trays with baking paper
Place the butter and sugar in the mixer bowl and beat at high speed until the mixture is light and very fluffy. Add the vanilla essence and beat for a while. Add the egg and beat until combined with the mixture.
Sift the flour, baking soda and salt into a bowl and mix at low speed until all ingredients are combined.
Add sugar for rolling into a bowl. Form dough balls the size of about 2 tablespoons (the easiest way to do this is with an ice cream scoop) and roll in sugar.Układaj na blasze w dużych odstępach, nie więcej, niż po 6 - 8 na jedną blachę.Make the balls as you go as they bake. If you prepare them too early, the mixture will soften too much. Bake for about 15 minutes, until the cookies have puffed up and the edges have set, but are still pale golden in color. Uwaga - piekarniki różnią się od siebie, więc u Ciebie ciasteczka mogą być gotowe już po 10-12 minutach! Leave the cookies on the baking tray for 10 minutes until they deflate and get firm