Remove the dough from the refrigerator and let it soften slightly.
Roll out between parchment paper.
Roll it out to a thickness of 3 mm (0.11 in ) for the tart base. Try to flour as little as possible.
Use 3 mm ( 0.11 in ) rulers to control the thickness of the dough. You can also use a rolling pin with rings of different thicknesses.
Put the dough back in the refrigerator to firm up. Cut out a disc that is one centimeter smaller than your ring.
You can also see the classic lining technique on this article : Classic pastry lining technique.
Tart ring of 20 cm (7.9 in) for example ➡️ dough disc of 19 cm (7.5 in)
Rework the scraps, and roll out again, to a thickness of 2 mm ( 0.08 in ) if you want fairly thin edges.
Firm up the dough a little and cut strips around the circumference of the tart ring.
For a 21 cm sur 2 cm tart ring (8.26 in x 0.8 in ) , you need a length of 63 x 2,5 cm ( 24.8 x 0.98 in) in 2 or 3 strips.
Place in the refrigerator to firm up.
Lightly grease the tart ring and place it on the perforated baking sheet with the silicone baking mat.
Position the strips against the sides of the tart ring, pressing lightly to adhere.
Moisten the joints to ensure that the strips adhere well to each other. Don't superimpose them, but just stick them next to each other to weld them together by pressing.
Moisten the edges of the circle of dough and position it in the middle of the tart ring.
Push from the center to the edges to make the disc stick to the edges. Refrigerate to firm up if dough becomes sticky.
Run your finger along the sides to ensure the strips adhere well, without leaving a mark, hence the importance of having a firm dough.
Trim off the excess dough that protrudes using a paring knife from the inside out.
For a clean cut, the dough should be firm.
Let it rest for at least 2 hours in the refrigerator and 2 hours in the freezer before baking.
With this method, the edges do not move during baking.
You can prepare the sweet pastry and line the tart ring on the same day and leave it in the refrigerator until the next day. Before cooking, place in the freezer for 1 hour. ( Update : Now, i simply leave it in the freezer for 1 hour and it's perfect. )
The resting time reduces the strength of the gluten in the dough.That's what prevents the dough from moving during baking.