Preheat the oven to 190°C/375°F.

Boil pasta according to directions.

Drain and rinse with cold water. Set aside.

In a large frying pan brown the mince. Break the mince apart as it cooks.

When the mince is brown, remove it from the frying pan and allow it to drain on a paper towel.

Add the onions and mushrooms to the frying pan and saute them, then add the mince back into the pan. 

Now, add the passata and a handful of the cheese.

Stir.

Add jalapenos and stir.

Add the pasta and stir.

Add all the mixture to a large round casserole dish

Top with grated mozzarella cheese and pepperoni.

Place the casserole dish into the preheated oven and allow to bake until the cheese is melted.

Serve immediately.