Step 1

Set out a food processor. Place the basil leaves, pine nuts, pecorino cheese, garlic clove, and lemon juice in the food processor. Cover and pulse until finely ground.

Step 2

Then add in the olive oil, ½ teaspoon salt, and ¼ teaspoon ground pepper. Pulse again until a smooth, thick pesto sauce is formed. Taste, then salt and pepper as needed.

Step 3

Set a large pot of salted water over high heat, and set out a mixing bowl. Once the water is boiling, stir the pasta into the water. Cook to al dente, according to the package instructions. Drain the pasta and place in the bowl.

Step 4

Stir in the shredded cooked chicken. Allow the temperature of the pasta to come down a little, as to not cook the pesto. Once the pasta is warm (not hot) stir in the pesto, one half cup at a time, until it is as saucy as you like.

Step 5

Serve at room temperature, or cold. Cover and chill until ready to serve.