I've never tried to make one but can I ask do you mean merely no meat or no animal bi-products as well? If it is the latter, good luck. I cannot imagine lasagne without cheese!
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"Hedonic dysregulation involves pleasure. Nicotine involves dopamine release, which is key in signaling pleasure.
When people quit smoking, things are not as much fun as they used to be. It’s something you get over in time.â€
Dr. Neal L. Benowitz