Leave butter at room temperature until softened, then whisk it until smooth.

Add sugar gradually while whisking to create a creamy texture.

Add the egg and mix well until fully incorporated.

Sift the flour and baking powder, then combine them with the wet ingredients.

Use a spatula to mix the dough by cutting motions, then knead it into a single ball.

Roll out the dough thinly with a rolling pin and cut shapes using cookie cutters. Stamp animal designs onto the cookies.