Onions peel and cut into eighths. Clean, wash and halve the mushrooms. Fry the onions in hot oil. Add the mushrooms. Fry briefly. Add chunky tomatoes and spices. Stew for 3-5 minutes.
Allow to cool a little, then pour onto the pizza base. Clean, wash and halve the cherry tomatoes. Drain the artichoke hearts, also cut in half. Cover pizza with salami, artichoke hearts and cherry tomatoes.
Grate the cheese and sprinkle on the pizza. Bake in the preheated oven (electric cooker: 225 ° C/ gas: level 4) for approx. 13 minutes. Garnish with oregano flakes as desired.