Step 1

Bring 8 cups of water into a rolling boil over high heat. Add salt. Add the spaghetti noodles and cook until al dente. Reserve ½ cup of the pasta water and discard the rest. (drizzle some oil to the pasta if they are too sticky).

Step 2

In a large skillet, heat oil and butter over medium heat. Add the prawns in a single layer. Sprinkle some salt and pepper over the prawns and cook turning it once until both sides are cooked, about 2 minutes each side. Remove from heat to a bowl so not to overcook.

Step 3

Add the garlic and saute just antil soft and aromatic. Stir in the shiitake mushrooms and cook for a minute. Add ¼ -½ cup pasta water and simmer for a minute or two.

Step 4

Pour in the heavy cream and add the grated parmesan. Bring to a gentle simmer but do not let it boil.

Step 5

Turn off the heat and add the cooked pasta and prawns. Add the chopped parsley and toss until noodles are fully coated with sauce.

Step 6

Transfer to serving plates and sprinkle with more grated parmesan and parsley as desired.