You might want to check out the website tropical traditions, they use coconut and coconut oil in tons of recipes. I know she recently posted a recipe for coconut oil fudge.
For the protein issue, could you try using more ground meats? That would be easier to chew. You also might try using a crock pot to cook some meats. I find this makes the meat fall apart tender and can be cut by my children (2 and 5) with their forks.
Alzheimer's runs in my family and so I will be following your updates. At this point I am looking to protect myself and husband for the future (we're only 30) and slowly convince our parents to consider making changes to their diet to help their prospects as they get older.