Open the tin, remove the rolls. Put 2 rolls covered in the refrigerator (for the pizza the next day). Place 2 rolls on top of each other and roll out into a circle (18 cm Ø) on a floured work surface.
Place on a baking tray lined with baking paper. Mix pizza tomatoes and tomato paste. Season with salt and pepper. Spread on the pizza. Clean, clean and slice the mushrooms.
Clean, wash and cut the spring onions into rings. Cover pizza with mushrooms, spring onions and salami. Dice the mozzarella and spread on top. Bake in the preheated oven (electric cooker: 200 °C/ convection oven: 175 °C/ gas: level 3) for 15-20 minutes.