Using a hand mixer, beat butter until smooth

Slowly add sugar, beat until smooth

Slowly add the eggs, beat until smooth.

Add salt and vanilla.

Sieve the flour and add each 1/3 into the mixture. Beat until smooth.

Transfer to a piping bag. Pipes on trays with parchment paper in strips or small balls. Keep refrigerated when not used.

Bake middle tray in the oven at 200 C for 12-15 mins until the edges are golden. Then 150 C for 10 mins. If the color is not good or nor crispy yet, bake at 130 C for around 5-10 mins