In the meantime, cook the orecchiette following the steps on
“How to cook pasta al dente”. Only in this case you will not have a pre set cooking time. This will vary on the thickness of your orecchiette (it should take approximately a couple of minutes). So, the best solution is to taste it! Remember, it does have to remain firm. Also, cook it in the same liquid in which you wilted the fennel tops (you may have to add some water and/or salt).