Bring a large pot of water to the boil and add salt.
COOK THE PASTA
Drop the Orecchiette into the water and stir. Cook according to the instructions on the pack.
PREPARE THE SAUCE
Heat a pan with a small amount of olive oil. Sauté the onion then add the broccoli as well as a ladle of boiling water. Let them cook together for a few minutes. After a few minutes add the witlof and cook for a minute then take off the heat and add the Pesto. Set aside.
COMBINE AND SERVE
Toss the pasta together with the sauce and serve. If the sauce is too dry, add some of the reserved pasta water to emulsify the sauce.
