Take ½ cup chilled butter which should be slightly hard that only when we press hard it should form an impression.
To a mixing bowl add ½ cup butter along with ⅓ cup sugar. I used castor sugar, you can use regular sugar too.
Whisk it well until thick and creamy. Now add 1 egg yolk, ½ teaspoon vanilla essence and ⅛ teaspoon salt.
Add 1 and ½ cups flour.
Mix well until no dry flour is seen. Do not knead just bring it together.
It should form shape when pressed.
Now using a cookie scooper, scoop out the dough.
Roll to a smooth ball.
Repeat to finish all the balls and arrange it in a plate.
Now take each ball and roll into castor sugar to coat well. Repeat to finish.
Preheat oven at 180 DEG C for 10 minutes. Place all the balls on a parchment paper laid on a baking tray. Slightly flatten each ball then press with thumb to form an impression. If it cracks smoothen it.
You can even use ½ teaspoon measure to make an indent. Chill them for at least 1 hour.
Melt the jams until it is slightly goey.
Use ½ teaspoon measure to fill the jams like shown.
Repeat to finish.
Bake in preheated oven at 180 DEG C for 12-14 minutes.
Cookies are baked and ready.
Cool down and store in airtight container.