Prepare all of the ingredients. Preheat oven to 425deg.
Prepare pizza dough to first cook stage. (if using premade pizza dough, bake for 5 minutes in oven before building pizza)
In a bowl, add sauce ingredients and blitz with an immersion blender until smooth. Alternatively, if you do not have an immersion blender, add all sauce ingredients to a blender and blitz till smooth.
Spread pizza dough with half of sauce, sprinkle with half of feta, half of salami, and half of mushrooms. Repeat with second pizza. Place in oven and cook for 20 minutes.
Let cool for 5 minutes before cutting each pizza into 8 pieces.