No/Bad Taste in Foods

My S.O. has been on PD at home for over 2 years. We knew the lack of appetite and bad taste to food would come and here it is. Has anyone found anything that tastes "Not Bad’? Most meat protein tastes bad which is a problem. We have had some success with eggs and foods that don’t really require chewing, so it doesn’t stay in the mouth long, like pudding, yogurt, etc… He has lost over 20 lbs in 2 months and he was previously gaining about 1 lb per month because of the dialysis solution. He’s pretty weak and tired since his hemoglobin, albumin and iron are low. Any help?