Add cream, thyme, & garlic to the pan. Reduce on low to medium heat until reduced by half and slightly thickened. Once it’s reduced and simmering, add pancetta, lemon juice, lemon zest, chives, parsley, pepper and cheese.
Prepare fettuccine pasta as directed by packaging. Drain and set aside.
When cheese is well incorporated and melty add fettuccine and mix well together. Sprinkle with remaining cheese and herbs.