Step 1

Put a large pot of generously salted water on to boil. Cook pasta while preparing sauce.

Step 2

In a large skillet, heat the olive oil over medium-high heat. Cook the sausage, breaking it up, until golden in color; about 5 minutes.

Step 3

Add the leeks and cook, stirring often, until soft; about 8 minutes.

Step 4

Stir in the shallot and cook for 1 minute.

Step 5

Add 1 tblsp of butter, the peas, and broth. Heat to a boil. Reduce heat to medium low and simmer gently for 5 minutes. Season with salt and pepper.

Step 6

Cover skillet and keep warm until pasta is ready.

Step 7

Cook the pasta until al dente; about 12 minutes. Drain and return to the pot over low heat.

Step 8

Add the sausage and leek sauce to pasta and toss well.

Step 9

Remove from heat and add remaining 1 tblsp butter and the grated Parmesan. Toss well.

Step 10

Transfer to a serving platter or individual bowls. Serve immediately with more grated Parmesan on the side.