I'll root around and see if I can find my aunt's authentic mince meat recipe... it uses meat. Bottom round roast, I believe. It made the best mince meat pies. Mom and my Aunt used to make it every year or every other year.
Have you looked at the price of a jar of Nonesuch lately? It's ludicrous. You'd be best making your own fruit mince meat...
https://www.allrecipes.com/recipe/260314/mincemeat/If you can find it, a block of the None Such condensed mince meat is, I feel, a better product because the fruit has a better consistency.
And yes, you can certainly doctor your mince meat to make it go farther. Dried fruits -- apples, blueberries, cranberries, apricots, peaches, etc. Just don't get exotic and add crap like mango or pineapple... Doesn't work or play well.
If you do add additional dried fruit, soak it in brandy or some other spirit to reconstitute it.