Mix flour, yeast and 1 teaspoon of salt. Knead the flour-yeast mixture, 250 ml lukewarm water and 2 tablespoons of oil with the dough hooks of the hand mixer to a smooth dough. Cover and leave to rise in a warm place for about 45 minutes. Wash the basil, shake dry, pluck the leaves from the stalks and cut into strips. Mix tomato paste, sambal oelek, 2 tablespoons of oil and basil, except for a little bit for garnishing, and season with salt.
Wash, clean and slice the tomatoes. Roll out the dough to a rectangle (39 x 32 cm) on a floured work surface. Smooth the sauce on top. Cover with ham, tomato slices and olives. Sprinkle with cheese. Roll up from the long side. Place the roll diagonally on a baking tray covered with baking paper. Cover and leave to rise for another 30 minutes. Bake in a preheated oven (electric cooker: 200 °C/ convection oven: 175 °C/ gas: level 3) for approx. 30 minutes.
Sprinkle with cheese. Roll up from the long side. Place the roll diagonally on a baking tray covered with baking paper. Cover and leave to rise for another 30 minutes. Bake in a preheated oven (electric cooker: 200 °C/ convection oven: 175 °C/ gas: level 3) for approx. 30 minutes. Remove from the oven, leave to rest briefly, sprinkle with remaining basil and cut into slices
1 1/4 hours waiting time