1. Pre-heat the oven to 350 degree F.
2. Line a baking sheet over a baking tray and keep it aside.
3. Sift together the all-purpose flour and custard powder.
4. Add the vanilla extract. Keep aside.
5. Whisk the butter and confectioner's sugar together until they turn creamy.
6. Add the flour-custard powder mixture and gently mix until a soft dough is formed.
7. Shape the dough into small walnut-sized balls and flatten them gently. Place them on the lined baking tray.
8. Make an indentation in the middle of the each cookie and bake them for 15-20 minutes.
9. Meanwhile, heat enough strawberry jam in a microwave oven for a few seconds.
10. Once the cookies get cooled, fill the cookies with the melted jam.
11. Enjoy with a cup of tea.
12. Recipe courtesy: Priya Easy N Tasty Recipes

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