treatsome

From treat +‎ -some.

treatsome (comparative more treatsome, superlative most treatsome)

1. Characterised or marked by treats; like a treat
   • 1979, Films and Filming - Volume 26:

     Not one of the great comedies — and far too long at two hours for any comedy — '10' gets my vote as the most painless and treatsome afternoon I have spent at the movies in quite a time.

   • 2012, Joanna Weinberg, Cooking for Real Life:

     After a big Sunday lunch, or a treatsome supper, I tend to serve a couple of large hunks of cheese on a board before pudding, along with crackers and a green salad (on the same plate, very French, saves on washing up).

• amorettes, tetrasome