Start by frying the minced beef with a drizzle of olive oil for 2 minutes then season with salt, pepper and the 1 tbsp. mixed spices and continue to cook for 5 minutes. Meanwhile, roll the pizza dough on a floured surface into a 36cm circle. Brush a deep pan pizza tray with olive oil and roll over the pizza dough overlapping over the sides. Take the nduja chicken sausages and press around the edges on the pan, roll over the pizza dough and pinch to enclose the sausages inside the pastry. Spread the base with the tomato sauce, top up with the shredded mozzarella and all the remaining ingredients including the cooked spiced beef. Brush the pizza rim with extra virgin olive oil and sprinkle over the sesame seeds.  Allow pizza to rest for 20 minutes before baking at 200°C for approximately 12-15 minutes or until cooked.