Prepare the basic dough (see recipe "One dough for all"") and chill for about 1 hour. Grease a tart mould with a lifting base (26 cm Ø).
Approx. 2⁄3 Roll out the dough round (approx. 30 cm Ø) on a floured work surface. Line a mould with it and press it on the edge. Cut off the protruding edge. Prick the base more often with a fork.
Sprinkle with nuts and press gently.
Sort the raspberries, wash and drain if necessary. Stir jam until smooth and spread on the pastry base. Sprinkle with raspberries. Preheat the oven (electric cooker: 200 °C/circulating air: 175 °C/gas: s.
Roll out the rest of the dough thinly on some flour. Cut into 1-2 cm wide strips. Place on the tart as a grid. Spread thinly with water and sprinkle with sugar. Bake in a hot oven on the lowest shelf for about 35 minutes.
Remove and carefully lift out of the mould while still lukewarm.