Cook the tortellini 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 tortellini (it should take approximately a couple of minutes to cook if you have just made the pasta. If a number of hours have passed since you made the pasta then it would be slightly dry and could take between 10 to 12 minutes to cook). So, the best solution is to taste it! Remember, to check the joint, where your pasta is thicker. It does have to remain firm to be al dente.