Welcome to the forums
There is no substitute for your own experience. What works for one person is not right for another.
Experiment to find out for yourself what works for you.
Deliberately choose to meditate after a meal and see what it feels like.
leave a short gap and see what that feels like
leave a longer gap and see what that feels like
When you have found your optimum, that is the best for you.
When it is impossible to have this sort of gap, still meditate and just be aware of the feelings that come up - pleasant or unpleasant. The joy of mediation is that it can be done anywhere any time whether the time, environment or mood are just right or just wrong.
It's beautifully relaxing to have a quiet space, a comfortable tummy and a concentrated mind and it is also very beneficial to be coping with adverse circumstances as this teaches us a lot about ourselves, our inner chatter and our reactions.
Enjoy the adventure!

peace and joy