Heat water to boiling.

Peel and chop shallot.  Peel and chop garlic.

Add box of penne to boiling water and cook until tender.

In the meantime, heat a little olive oil in a pan.  Add in shallot.

Then cook for a few minutes before adding garlic.

Cook for a few more minutes and add red pepper flakes.

Cook for a few seconds then add marinara to pan.

Heat until boiling then add in shrimp.

For fully cooked shrimp, just head through.  For raw shrimp, cook for 2 - 3 minutes until cooked through.

Then remove shrimp to a plate.

Drain pasta once tender then add to marinara remaining in pan.

Stir to coat and then place in a casserole dish.

Thinly slice mozzarella and add to the top of your dish.

The heat from the pasta should melt but you can also put under broiler for a few minutes.

Top your dish with shrimp and serve!